A fire broke out at a chemicalcompany in an industrial area of Maharashtra's Thane district in the wee hours of Tuesday, an official said.No casualty was reported in the mishap, he said.The blaze erupted around 12.45 am in Metropolitan company, located in the Maharashtra Industrial Development Corporation (MIDC) area of Dombivali township, Regional Disaster Management Cell chief Santosh Kadam said.Four fire engines were rushed to the spot and efforts were still on to douse the flames, he said."No one was injured in the fire," Kadam said, adding that the cause of the blaze was yet to be ascertained.