Militants threw a grenade at police station Shopian on Monday evening.
A police official said that at around 8.20 pm a grenade exploded outside the boundary wall of the station, causing no loss of life or injuries, the official said.
He said that an alert sentry retaliated by resorting to aerial firing.
The official also said that the police launched a cordon and search operation in the vicinity to nab the attackers.
Local residents told Greater Kashmir that they heard a deafening boom followed by firing.