Three security force personnel were injured when suspected militants hurled a grenade at a CRPF bunker in Saraf Kadal area of the city on Sunday night. 

A group of people started pelting stones at a CRPF bunker at Saraf Kadal area of old city at around 10.20 pm, a police official said.

During the stone pelting, someone from the mob hurled a grenade at the bunker injuring two CRPF jawans and a policeman, the official said.