Jagatsinghpur, Feb 18: Late last night three shops were allegedly set on fire by BJD supporters at Ibirisingh square here indicating panchayat poll violence. It has been alleged by some Congress activists that following a dispute during rally of a victorious BJD candidate at the place, the supporters of the candidate set the three shops on fire and the Congress activists also staged dharna thus demanding arrest of the accused. The cops after reaching the spot began investigation. However, the total amount of properties damaged has still not been estimated.