A group comprising some unidentified persons set ablaze the house of lawmaker from Mahottari constituency no 6, Sitaram Bhandari on Sunday. The unknown persons, who came in motorbikes, had put the Bhandari's ancestral house in Bharatpur at around 8.00 pm on Sunday. Dinesh Mahato, a local, informed that the group sprayed petrol at the house before putting it into flame. However, the locals doused the fire immediately. Gaushala Area Police Office also confirmed that no physical and human loss was reported at the house when the neighbours managed to douse the fire on time. Search for the persons involved in the incident is underway, said Police Inspector Machchhindra Babu KC.