There were no immediate reports of casualties in Jammu and Rajouri.
Attempts were made to set on fire two shops and two vehicles torched in New Plot area of Jammu district, Division Commissioner Shant Manu said.
Curfew was imposed in the entire Jammu district following the incidents, he said.
Communal tension ran high in Rajouri district and curfew was imposed as a precautionary measure, SSP, Rajouri, Mubassir Lattifee said.