By Khaled Abdullah SANAA Thu Feb 13, 2014 3:46pm EST (Reuters) – Eleven people were killed when attackers mounted a bomb, grenade and gun assault on the main prison in Yemen’s capital on Thursday to try to free inmates, security sources and witnesses said. Explosions and gunfire could be heard several kilometers away from the prison in northern Sanaa, which has al Qaeda members among its inmates. The biggest explosion rattled windows in the area. […]