Protesters ask troops to take control of an Islamist group 's HQ , a general says . `` I am sorry , America ... but we have no choice'" said the man in charge. Hundreds take over the Ansar al-Sharia group 's headquarters without firing a shot . But some of the protesters gathered at locations that house forces loyal to the national authority , he said , including the headquarters of the Rufallah al-Sihati battalion . That group is tied to an attack last week that left 4 Americans dead .
Protesters ask troops to take control of an Islamist group 's HQ , a general says . `` I am sorry , America ... but we have no choice'" said the man in charge. Hundreds take over the Ansar al-Sharia group 's headquarters without firing a shot . That group is tied to an attack last week that left 4 Americans dead .