 The Office of Military Cooperation , just one and a half blocks from the embassy , required evacuation . Despite its proximity to the embassy , an armed convoy was needed to evacuate persons trapped there by the unrest . A convoy of vehicles with several Marines and <unk> left the embassy at 8 : 47 and returned ten minutes later with 22 persons from the <unk> ( four Americans , a <unk> , and 17 <unk> ) . This was the only <unk> outside the embassy by the security detail . Throughout the day , foreign diplomats contacted the embassy <unk> to be evacuated ; the US welcomed these requests , but required all of them to find their own transportation to the embassy . 
