CORRECTION Afghanistan

School books and a bag are left on the desk in a class room following a blast at a school in Khost, Afghanistan on Tuesday, May 11, 2010. Four teachers and nine students were hospitalized after a bomb went off underneath a stairwell at a boy's school in the Smalhail district of eastern Khost province, said a student and regional health chief Amir Badsh. (AP Photo/Nishanuddin Khan)