Via RT: As over 5.000 protesters tried to get into the U.S. compound in Sanaa, Yemeni police reportedly shot a protester.
Hundreds got past two police barricades and managed to get through the main gate into the building.
Police forced the crowd to leave the embassy premises.
The violence came a day after the U.S. embassy was attacked in Libya, and there are fears protests will spread to other countries in the Muslim world.
U.S. ambassador Chris Stevens and three other American officials died as gunmen fired rocket-propelled grenades and set fire to the compound in Benghazi.
Egyptian security forces are firing tear gas at a crowd of angry protesters near the U.S. embassy in Cairo.
Some 30 protesters were injured and 12 arrested, journalists on Twitter quoted the Egyptian Interior Ministry as saying, according to RT.