Guwahati: A massive fire broke out at the Fatasil Ambari area in Guwahati, Assam on Friday evening and at least 150 houses were gutted in the fire. According to the sources, the fire officials are suspecting that more than 15 gas cylinders exploded in the slum area behind the Kamakhya Ram Borooah College. After getting the information, the fire tenders rushed to the spot and doused the fire. All roads leading to the slum area were closed. Reports said that no causalities or injuries were reported in the fire accident and the incident triggered panic among the locals.