Photo: JALALABAD , Jan 07, 2010

JALALABAD , Jan 07, 2010: Nangarhar University students torch an effigy of US president Barack Obama during a protest demonstration against the killing four children in a controversial blast that Afghan officials say was an Improvised explosive device attack on a joint convoy of Afghan and foreign troops, but residents blamed US soldiers for throwing a hand grenade at school children. Four civilians and a police were killed and 82 others including many children wounded in the blast. PAJHWOK/Abdull Moheed Hashimi