On September 11, 2012, the attack was caused by protests over media excerpts from a trailer of a movie, "Innocence of Muslims", which the protestors considered blasphemy against the Islamic prophet, Muhammad. In Egypt, a group scaled the embassy wall and tore down the American flag, replacing it with a black Islamist flag. In Libya, rocket-propelled grenades were fired at the consulate from a nearby farm. The attack killed the visiting U.S. Ambassador to Libya Christopher Stevens, Glen Doherty a security officer, Sean Smith a United States Foreign Service Information Management Officer, and Tyrone S. Woods a former U.S. Navy Seal, ten Libyan police officers, and two others. The protest ended on September 27, 2012.