Bolivian police say eight foreign tourists are among the 10 people killed when a bus returning to La Paz from the Salar de Uyuni salt flats ran off the highway and crashed.

Police Capt. Gonzalo Carrasco said that another 24 people, most of them foreigners, were injured and being treated in hospitals in Oruro, the closest big city.

Carrasco said the accident occurred Saturday about 180 miles (290 kilometers) south of the capital. He said the foreigners included an Australian, two Swiss, two Italians and a Peruvian and that two of the foreigners could not immediately be identified.

The fatal Bolivian victims included the bus driver.

Carrasco said the injured included Germans, Italians, Swiss, Canadians, Chileans, Peruvians and an Indian.

He said the cause of the accident was under investigation.