Residents of Palpora village in Handwara area, 90 kms from here, took to the streets after devotees found faecal matter inside the mosque premises, the sources said.
The protestors blocked the Sopore-Kupwara road demanding arrest of the culprits.
Senior civil and police officials of the area rushed to the spot to defuse the situation but the blockade of the road continued till reports last came in.
Police have taken cognizance of the incident and are investigating to track down the accused, a police spokesman said.
Senior police officers of the district are monitoring the situation on the spot, he said.
A case has been registered in police station Kralgund in this regard, the spokesman said.