Five passengers were killed and about 40 others injured when a tour bus overturned in Loei province early Monday morning.
Police said the bus was heading for Nakhon Phanom from Chiang Rai and crashed at a sharp curve in the rain at kilometre marker 28 on the Loei-Dan Sai road at the boundary of Phu Rua and Muang districts of Loei province.
Five passengers - four men and one woman - were killed. About 40 others, one of them a Malaysian national, were injured.
They were taken to Loei and other hospitals nearby.