Four Afghan children killed after playing with unexploded shell in school

The children were aged seven to 14 and at least three others were injured, according to officers

The body of a girl lies in the back of a vehicle after she was killed by an unexploded shell in Helmand province (AP)

Four children have died and three others were injured after they found an unexploded shell in southern Afghanistan, officials have said.

The incident in Helmand province happened when the children discovered an unexploded shell and brought it inside their religious school and started playing with it, before it detonated, according a statement from the provincial police chief’s office.