Sir Mark Lyall Grant

A picture shows damage inside the burnt U.S. consulate building in Benghazi on September 13, 2012 following an attack on the building late on September 11 in which the US ambassador to Libya and three other US nationals were killed. (Photo credit: GIANLUIGI GUERCIA/AFP/GettyImages)

Libya Announces 4 Arrests In Deadly Attack On U.S. Consulate

Heavily armed militants used a protest of an anti-Islam film as a cover and may have had help from inside Libyan security in their deadly attack on the U.S. Consulate, a senior Libyan official said Thursday.

09/13/2012