One person was killed in a firefight that erupted Monday after a car with two people tried to ram a gate at the Fort Meade, Md., military base near a gate to the National Security Agency, according to preliminary reports cited by two U.S. officials.

Meredith Somers and Lolita C. Baldor
Trevor Noah, a 31-year-old comedian from South Africa who has contributed to "The Daily Show" a handful of times during the past year, will become Jon Stewart's replacement as host, Comedy Central announced Monday.Frazier Moore
German prosecutors say the co-pilot of the Germanwings passenger plane that crashed in the French Alps had received treatment for suicidal tendencies.Lori Hinnant and Jamey Keaten
The Arab states said Sunday that they had agreed to form a combined military force to counter both Iranian influence and Islamist extremism, a gesture many analysts attributed in large part to their drive for more independence from Washington.David D. Kirkpatrick
A “sophisticated cyberattack” on Premera Blue Cross affected 11 million people in the U.S. Premera Blue Cross Blue Shield Alaska is encouraging members to apply for free credit monitoring and identity theft services.Laurel Andrews
Tunisian security forces have killed the commander of the group responsible for the recent massacre of 21 foreign tourists at the National Bardo Museum, Tunisia’s prime minister, Habib Essid, announced Sunday.Carlotta Gall
Grunge was the soundtrack of my Gen X college life. We knew every word to Nirvana's 1991 album, "Nevermind." "I'm so happy 'cause today I found my friends." And the day we found out that Kurt Cobain had died, April 8, 1994, there was a candlelight vigil in the quad.Booth Moore
Prospective presidential candidate Mike Huckabee called Saturday for the imposition of term limits on U.S. Supreme Court justices, saying that the nation's founders never intended to create lifetime, irrevocable posts.Seema Mehta
After widespread failures of a new electronic voter ID system aimed at preventing ballot-rigging, Nigerian election officials extended voting through Sunday in a tightly contested presidential race.Robyn Dixon
In a major setback for Syrian President Bashar Assad, al-Qaida's affiliate in Syria and forces from four other Islamist groups captured the city of Idlib on Saturday.Mousab Alhamadee and Roy Gutman