On September 13 , protests occurred at the U.S. embassy in Sana'a , Yemen , resulting in the deaths of four protesters and injuries to thirty-five protesters and guards .
On September 11 , 2012 , the U.S. embassies in Cairo , Egypt , Chennai , India , Tunis , Tunisia , Khartoum , Sudan , Sana'a , Yemen , and the U.S. consulate in Benghazi , Libya were attacked .