Updated

A gas explosion at an auto parts factory killed 17 people and injured 20 Wednesday morning in the southern city of Foshan, Chinese officials said.

District officials in Foshan said in a statement that rescue work is under way at the site of the explosion.

The Southern Metropolis Daily reported that witnesses heard three blasts at the Fuhua Engineering and Manufacturing Co. factory, and the facility's walls and ceiling were destroyed.

The blasts also damaged a nearby glass factory and other plants.

Pictures posted on the Southern Metropolis Daily's website showed panels blown off the building's structure, with people lying hurt on the ground.