GUIYANG - Two people were killed and 43 injured when a bus overturned on an expressway in southwest China's Guizhou province on Monday.

Around noon, the bus crashed through the expressway barrier and rolled onto a low-lying area near the Kaili City section of the Shanghai-Kunming Expressway, rescuers said.

Two drivers and 45 passengers, including three children, were on board  when the accident occurred.

All 43 injured passengers have been taken to local hospitals.

Investigation is underway.