[anyplayer:url=http://rt.com/files/news/burning-koran-worst-afghanistan-001/ifc3d52976c5cee2f298167341429f9dc_guest-hamid.flv] Seven people have been killed and dozens injured in protests over the burning of the Koran by US troops at an airbase in Afghanistan. An officer has apologized for the inadvertent burning. Yet some…