Tianjin in northern China has been hit by an explosion and fire at a chemical warehouse two months after blasts at another chemical storage depot in the city killed more than 170 people. The fire was reported at a chemical warehouse in the Beichen district of the city at 9.46 pm on Monday night, the state-run Xinhua news agency reported. Photographs posted online showed flames and thick smoke rising from the ground. There were no reports of any casualties. READ MORE: Tianjin warehouse blasts: Evidence of corruption, says Chinese premier as he vows nobody will be exempt from punishment Police said the warehouse, storing alcohol and other chemicals, was unlicensed. The fire was put out after five hours. The blaze was started by a chemical leak, state television quoted the fire control authorities as saying. Two massive explosions at a hazardous chemicals warehouse rocked the Port of Tianjin on August 12, with many firefighters among those killed.