. "Battle of Radda" . . . "*Military of Yemen" . "*Ansar al-Sharia" . . "8,000" . . "Battle of Radda" . . . . . . "*Islamic Emirate of Abyan" . . "?" . "*other islamists groups" . "*People's Committees" . "al-Qaeda in the Arabian Peninsula" . . "19 soldiers killed, 17 wounded" . "2013-04-27" . . "Indecisive" . .