A fire broke out at Bharat Petroleum Plant on Mahul road, Chembur on Wednesday, media reports said. Seven fire tenders had arrived at the spot. Multiple casualties have reported. According to CNN News 18 report, the fire broke out at around 3 pm. It is a level three fire but the reason for the accident is still unknown, the report added. Large plumes of smoke were seen rising above the plant from a distance. More details are awaited.