Fertilizer plant explosion

This aerial photo taken Thursday, April 18, 2013 shows the remains of a fertilizer plant and an apartment complex to the left destroyed by an explosion in West, Texas, on Wednesday. The massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
Tony Gutierrez
Mangled metal and crushed vehicles are all that remain at the blast site of the fertilizer company, Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Brent Bridges speaks with concern on Thursday April 18, 2013 about his father, Morris Bridges, who was a first responder with the West, Texas volunteer fire department after the fertilizer explosion last night. The fire fighter is so far among the missing.
Ron T. Ennis
A tattered U.S. flag flies on Main Street in West, Texas on Thursday April 18, 2013 after the fertilizer plant explosion.
Ron T. Ennis
Homes in the neighborhood about 1/4 mile west of the blast site show damage from the blast after the Wednesday fertilizer plant explosion Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Homes in the neighborhood about 1/4 mile west of the blast site show damage from the Wednesday fertilizer plant explosion on Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Firefighters conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
In this Instagram photo provided by Andy Bartee, a plume of smoke rises from a fertilizer plant fire in West, Texas on Wednesday, April 17, 2013. An explosion at a fertilizer plant near Waco Wednesday night injured dozens of people and sent flames shooting high into the night sky, leaving the factory a smoldering ruin and causing major damage to surrounding buildings.
Andy Bartee
Emergency workers assist an elderly person at a staging area at a local school stadium Wednesday, April 17, 2013, in West, Texas. An explosion Wednesday night at a fertilizer plant near Waco sent flames shooting high into the night sky, leaving the factory a smoldering ruin, causing major damage at nearby buildings and injuring numerous people.
Rod Aydelotte
A person looks on as emergency workers fight a house fire after a nearby fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas. A massive explosion at the fertilizer plant near Waco on Wednesday night injured dozens of people and sent flames shooting into the night sky, leaving the factory a smoldering ruin following a blast that damaged buildings for blocks in every direction.
Rod Aydelotte
This aerial photo shows a local school, at rear, and an apartment complex, at middle right, near a fertilizer plant explosion site Thursday, April 18, 2013, in West, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Tony Gutierrez
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
A firefighter stands on a rail line and surveys the remains of a fertilizer plant destroyed by an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighters use flashlights early Thursday morning, April 18, 2013 to search a destroyed apartment complex near a fertilizer plant that exploded Wednesday night in West, Texas. The massive explosion killed as many as 15 people and injured more than 160, shaking the ground with the strength of a small earthquake and leveling homes and businesses for blocks in every direction.
LM Otero
Firefighters search an area destroyed by a fertilizer plant explosion in West, Texas, early Thursday morning, April 18, 2013.
LM Otero
Firefighters conduct a search and rescue of an apartment building destroyed Wednesday by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. The massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a home burn early Thursday morning, April 18, 2013, after a fertilizer plant exploded Wednesday night in West, Texas. The massive explosion killed as many as 15 people and injured more than 160, shaking the ground with the strength of a small earthquake and leveling homes and businesses for blocks in every direction.
LM Otero
This video image provided by WFAA-TV shows injured people being treated on the flood-lit the high school football field turned into a staging area after the blast in West Texas Wednesday April 17, 2013.
WFAA-TV
An elderly person is assisted at a staging area at a local school stadium following an explosion at a fertilizer plant Wednesday, April 17, 2013, in West, Texas. An explosion at a fertilizer plant near Waco caused numerous injuries and sent flames shooting high into the night sky on Wednesday.
Rod Aydelotte
In this Wednesday, April 17, 2013, photo provided by Joe Berti, a plume of smoke rises from a fertilizer plant fire near Waco, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said Thursday morning.
Joe Berti
The front of an apartment complex is destroyed by an explosion at a nearby fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
Firefighter conduct a search and rescue operation at an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
A firefighter walks amid an apartment complex destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct a search and rescue operation at an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The shattered display windows are cleared away at the Treasure on the Tracks in the central business district of West, Texas on Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Ron T. Ennis
Merchandise and smashed glass are scattered in the front windows of the West Thrift Shop in West, Texas on Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Paul Moseley
Shown are the remains of a fertilizer plant destroyed by an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a fertilizer plant sits destroyed after an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a fertilizer plant sits destroyed after an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Baylor University students hold a candle light vigil outside Waco Hall for the victim's of the West fertilizer plant explosion, Wednesday, April 17, 2013.
Jerry Larson
Baylor University students hold a candle light vigil outside Waco Hall for the victim's of the West fertilizer plant explosion, Wednesday, April 17, 2013.
Jerry Larson
A victim from the West fertilizer plant explosion is wheeled into Hillcrest Baptist Medical Hospital in Waco, Texas, Wednesday, April 17, 2013.
Jerry Larson
An unidentified man injured by the West fertilizer plant explosion is treated by nurses from Hillcrest Baptist Medical Hospital in Waco, Texas, Wednesday, April 17, 2013.
Jerry Larson
A fire burns in a apartment complex destroyed near a fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday morning, April 18, 2013.
LM Otero
A fire still burns in a apartment complex destroyed near a fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday morning, April 18, 2013.
LM Otero
Firefighters check a destroyed apartment complex near the fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday, April 18, 2013.
LM Otero
Firefighters set a brace to hold up a sagging beam during a search and rescue operation at an apartment complex destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
Rescue workers work near a damaged apartment complex after a nearby fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas. A massive explosion at the fertilizer plant near Waco on Wednesday night injured dozens of people and sent flames shooting into the night sky, leaving the factory a smoldering ruin following a blast that damaged buildings for blocks in every direction.
Rod Aydelotte
A fire burns at a fertilizer plant in West, Texas after an explosion Wednesday April 17, 2013.
Michael Ainsworth
A fire burns at a fertilizer plant in West, Texas after an explosion Wednesday April 17, 2013.
Michael Ainsworth
An injured elderly person is assisted by two young males as a nursing home is evacuated after an explosion at a nearby fertilizer plant Wednesday, April 17, 2013, in West, Texas.
Rod Aydelotte
A person looks on as emergency workers fight a house fire after a near by fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas.
Rod Aydelotte
Emergency workers evacuate elderly from a damaged nursing home following an explosion at a fertilizer plant Wednesday, April 17, 2013, in West, Texas. An explosion at a fertilizer plant near Waco caused numerous injuries and sent flames shooting high into the night sky on Wednesday.
Rod Aydelotte
A fertilizer plant that exploded still smolders in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
Ralph Lauer
Firefighter toss debris from an apartment during search and rescue operation after an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighters conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The front of an apartment complex is destroyed after an explosion at a nearby fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
The remains of the the fertilizer plant smolder in the rain on Thursday, April 18, 2013, in West, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Tony Gutierrez
The remains of the the fertilizer plant smolder in the rain on Thursday, April 18, 2013, in West, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Tony Gutierrez
Shown is the front of an apartment complex destroyed by an explosion at a nearby fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
Curtains flies out of a wind broken by a fertilizer plant explosion well over a mile away from the home in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
Ralph Lauer
This aerial photo taken Thursday, April 18, 2013 shows the remains of a fertilizer plant and an apartment complex to the left destroyed by an explosion in West, Texas, on Wednesday. The massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
Tony Gutierrez
Mangled metal and crushed vehicles are all that remain at the blast site of the fertilizer company, Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Brent Bridges speaks with concern on Thursday April 18, 2013 about his father, Morris Bridges, who was a first responder with the West, Texas volunteer fire department after the fertilizer explosion last night. The fire fighter is so far among the missing.
Ron T. Ennis
A tattered U.S. flag flies on Main Street in West, Texas on Thursday April 18, 2013 after the fertilizer plant explosion.
Ron T. Ennis
Homes in the neighborhood about 1/4 mile west of the blast site show damage from the blast after the Wednesday fertilizer plant explosion Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Homes in the neighborhood about 1/4 mile west of the blast site show damage from the Wednesday fertilizer plant explosion on Thursday, April 18, 2013 in West, Texas.
Paul Moseley
Firefighters conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
In this Instagram photo provided by Andy Bartee, a plume of smoke rises from a fertilizer plant fire in West, Texas on Wednesday, April 17, 2013. An explosion at a fertilizer plant near Waco Wednesday night injured dozens of people and sent flames shooting high into the night sky, leaving the factory a smoldering ruin and causing major damage to surrounding buildings.
Andy Bartee
Emergency workers assist an elderly person at a staging area at a local school stadium Wednesday, April 17, 2013, in West, Texas. An explosion Wednesday night at a fertilizer plant near Waco sent flames shooting high into the night sky, leaving the factory a smoldering ruin, causing major damage at nearby buildings and injuring numerous people.
Rod Aydelotte
A person looks on as emergency workers fight a house fire after a nearby fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas. A massive explosion at the fertilizer plant near Waco on Wednesday night injured dozens of people and sent flames shooting into the night sky, leaving the factory a smoldering ruin following a blast that damaged buildings for blocks in every direction.
Rod Aydelotte
This aerial photo shows a local school, at rear, and an apartment complex, at middle right, near a fertilizer plant explosion site Thursday, April 18, 2013, in West, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Tony Gutierrez
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
A firefighter stands on a rail line and surveys the remains of a fertilizer plant destroyed by an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighters use flashlights early Thursday morning, April 18, 2013 to search a destroyed apartment complex near a fertilizer plant that exploded Wednesday night in West, Texas. The massive explosion killed as many as 15 people and injured more than 160, shaking the ground with the strength of a small earthquake and leveling homes and businesses for blocks in every direction.
LM Otero
Firefighters search an area destroyed by a fertilizer plant explosion in West, Texas, early Thursday morning, April 18, 2013.
LM Otero
Firefighters conduct a search and rescue of an apartment building destroyed Wednesday by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. The massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a home burn early Thursday morning, April 18, 2013, after a fertilizer plant exploded Wednesday night in West, Texas. The massive explosion killed as many as 15 people and injured more than 160, shaking the ground with the strength of a small earthquake and leveling homes and businesses for blocks in every direction.
LM Otero
This video image provided by WFAA-TV shows injured people being treated on the flood-lit the high school football field turned into a staging area after the blast in West Texas Wednesday April 17, 2013.
WFAA-TV
An elderly person is assisted at a staging area at a local school stadium following an explosion at a fertilizer plant Wednesday, April 17, 2013, in West, Texas. An explosion at a fertilizer plant near Waco caused numerous injuries and sent flames shooting high into the night sky on Wednesday.
Rod Aydelotte
In this Wednesday, April 17, 2013, photo provided by Joe Berti, a plume of smoke rises from a fertilizer plant fire near Waco, Texas. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said Thursday morning.
Joe Berti
The front of an apartment complex is destroyed by an explosion at a nearby fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
Firefighter conduct a search and rescue operation at an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
A firefighter walks amid an apartment complex destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct a search and rescue operation at an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the plant killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The shattered display windows are cleared away at the Treasure on the Tracks in the central business district of West, Texas on Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Ron T. Ennis
Merchandise and smashed glass are scattered in the front windows of the West Thrift Shop in West, Texas on Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
Paul Moseley
Shown are the remains of a fertilizer plant destroyed by an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a fertilizer plant sits destroyed after an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
The remains of a fertilizer plant sits destroyed after an explosion in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Firefighter conduct search and rescue of an apartment destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight.
LM Otero
Baylor University students hold a candle light vigil outside Waco Hall for the victim's of the West fertilizer plant explosion, Wednesday, April 17, 2013.
Jerry Larson
Baylor University students hold a candle light vigil outside Waco Hall for the victim's of the West fertilizer plant explosion, Wednesday, April 17, 2013.
Jerry Larson
A victim from the West fertilizer plant explosion is wheeled into Hillcrest Baptist Medical Hospital in Waco, Texas, Wednesday, April 17, 2013.
Jerry Larson
An unidentified man injured by the West fertilizer plant explosion is treated by nurses from Hillcrest Baptist Medical Hospital in Waco, Texas, Wednesday, April 17, 2013.
Jerry Larson
A fire burns in a apartment complex destroyed near a fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday morning, April 18, 2013.
LM Otero
A fire still burns in a apartment complex destroyed near a fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday morning, April 18, 2013.
LM Otero
Firefighters check a destroyed apartment complex near the fertilizer plant that exploded earlier in West, Texas, in this photo made early Thursday, April 18, 2013.
LM Otero
Firefighters set a brace to hold up a sagging beam during a search and rescue operation at an apartment complex destroyed by an explosion at a fertilizer plant in West, Texas, Thursday, April 18, 2013. A massive explosion at the West Fertilizer Co. killed as many as 15 people and injured more than 160, officials said overnight. The explosion that struck around 8 p.m. Wednesday, sent flames shooting into the night sky and rained burning embers and debris down on shocked and frightened residents.
LM Otero
Rescue workers work near a damaged apartment complex after a nearby fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas. A massive explosion at the fertilizer plant near Waco on Wednesday night injured dozens of people and sent flames shooting into the night sky, leaving the factory a smoldering ruin following a blast that damaged buildings for blocks in every direction.
Rod Aydelotte
A fire burns at a fertilizer plant in West, Texas after an explosion Wednesday April 17, 2013.
Michael Ainsworth
A fire burns at a fertilizer plant in West, Texas after an explosion Wednesday April 17, 2013.
Michael Ainsworth
An injured elderly person is assisted by two young males as a nursing home is evacuated after an explosion at a nearby fertilizer plant Wednesday, April 17, 2013, in West, Texas.
Rod Aydelotte
A person looks on as emergency workers fight a house fire after a near by fertilizer plant exploded Wednesday, April 17, 2013, in West, Texas.
Rod Aydelotte
Emergency workers evacuate elderly from a damaged nursing home following an explosion at a fertilizer plant Wednesday, April 17, 2013, in West, Texas. An explosion at a fertilizer plant near Waco caused numerous injuries and sent flames shooting high into the night sky on Wednesday.
Rod Aydelotte
Craig Medred