A teenage boy was killed and three girls, including two sisters, under the age of 13 years were critically injured in Kel town of Neelum District in Pakistan administered Kashmir (PaK) on June 28, after a ‘dud shell’ they were reportedly tampering with exploded, reports Dawn. The incident occurred at about 5:30pm when the victims were playing along the riverbank, unmindful of the hazardousness of the device they found there, Superintendent of Police, Sajid Imran said.