Police had to resort to lathi-charge and fire in the air to control the situation as violence broke out during a BJP procession , IG Law and order R K Vishkarma said here.
Police arrested five people and later released them, the IG said.
BJP leaders Hukum Singh and Suresh Rana were sitting on dharna at the Shiv Chowk, from where they walked to the Dhimanpura railway crossing when some mischievous elements among them indulged in arson and set a shop ablaze, he said.
The main accused in the alleged gang-rape incident has been arrested, whereas efforts are underway to nab the four others, the police official said.