Beijing: Around 27 people died and 20 others injured after a bus overturned on an expressway in southwestern China on Sunday, international news agency AP reported quoting police.

The early morning accident was in Sandu county, which is southeast of the city of Guiyang, the capital of Guizhou province, a brief police statement said.

The bus had 47 people on board when the accident happened. The injured are undergoing treatment.