BEIJING: At least 20 people in southern China were killed Friday when two trucks, one of them transporting oil, collided on a bridge and set fire to a timber mill underneath, authorities said.

The accident happened before dawn near the southern city of Guangzhou, according to a statement posted on the microblog of the city’s official news portal.

It said 20 people had been confirmed killed, most of them believed to be workers in the timber mill, and 14 injured, one of them seriously.