Two policemen were injured in two separate instances of grenade explosions in Srinagar on Wednesday.
According to the police, unidentified militants tossed a grenade at the vehicle of a police official at Chanpora, and two policemen were injured in the blast.
Militants also hurled a grenade at the police station in posh Rajbagh locality in the state capital.
A senior police officer said the grenade missed the intended target, and exploded in a park nearby.
No group has claimed responsibility for the blasts.