Militants hurled the grenade on a police party next to Ganjbaksh Park in Nowhatta area of the city at around 7.00 pm when the cops were withdrawing from there after day-long law and order duty, a police official said.
He said 14 policemen were injured in the grenade blast.
The injured cops were taken to a nearby hospital for treatment.
The official said miscreants had engaged the cops by pelting stones on them in the same area.
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