Two buses have crashed into rivers in western Nepal in separate accidents that have killed eight Nepalese people and six Indian tourists.

Administrator Yagyaraj Bohara said one bus skidded off a road and fell into a river early Wednesday at Baskanda, a village nearly 700 kilometres northwest of Kathmandu. He said eight Nepalese died and 27 were injured.

Police officer Chakraraj Joshi said six tourists from Kolkata died when their bus plunged into a river in Tanahu district on Wednesday.

Police are investigating the causes of the accidents.