LANZHOU - A chemical worker died in a tank truck explosion in Northwest China's Gansu province Monday morning, local authorities said.

The tank trailer carrying 58 cubic meters of liquefied petroleum gas exploded near an LPG station in Xigu district in the provincial capital Lanzhou at around 9 am, the city's safety administration said in a press release.

It said the blast, which occurred during nitrogen replacement, broken the tank into pieces, shattered several windows and toppled a fencing at the gas station.

The victim was not identified.

The safety administration said investigation was underway, and no toxic gas leak or other pollution were detected.