"Three policemen were injured this evening when militants lobed a grenade at Sherbagh police post in Anantnag," a senior police officer told.

"The injured have been removed to hospital for treatment. Doctors have referred one of the injured policemen with critical injuries to Srinagar for specialised treatment," he added.

Anantnag assembly constituency goes to polls in the fourth phase of the five-phase Jammu and Kashmir assembly elections on December 14.

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