At least 9 killed, 22 injured in bus accident in western Bolivia

At least nine people were killed and 22 others injured Wednesday when a passenger bus overturned on a highway in western Bolivia, police said.



The accident occurred early in the morning near the town of Villa Challacollo on the Pisiga-Oruro international route, which connects Bolivia and Chile.



Police said the driver, a 24-year-old man, tested negative for alcohol and sustained a moderate brain injury.



Authorities said possible causes include speeding and driver fatigue, though investigations are ongoing.



Rescue teams have transported the injured to hospitals for treatment.