Terrorists attacked a central reserve police force bunker in Batmallo locality in Srinagar with a powerful hand grenade wounding four troopers on Saturday.
"The grenade exploded near the bunker injuring four jawans of the CRPF who were removed to hospital for treatment immediately," said a CRPF officer.
He said the area was cordoned off but no arrests were made.
Batmallo has been in the throes of violent protests since one month.