"Curfew was imposed in Kishtwar town and other nearby areas around 0400 hours today as a precautionary measure", SSP Kishtwar, Sandeep Wazir told PTI.
He said three persons were detained last night in Kishtwar in connection with attempts to disrupt peace.
After they were detained, some persons in the area resorted to stone pelting, police sources said.
This forced the district administration to impose curfew, the sources said.
Those detained under PSA have been identified asAbdul Qayoom Molvi, Saif-I'd-din Bhagwan and Farid Ahmad Bagwan.