SWAT -- An old mortar shell exploded Wednesday (November 21), killing three children and injuring a fourth in Swat District, Khyber Pakhtunkhwa, Geo News reported Wednesday.
Police says the children, who came from the same family in Matta Tehsil, were playing with the shell in a field when it went off.
Authorities shifted the injured to Matta Hospital in Swat and opened an investigation.