A fatal traffic accident on Sunday night in southwest China's Yunnan Province left ten dead and one other injured, local traffic police said Monday morning.

The accident occurred at around 11:00?PM in the county of Yingjiang, Dehong Dai and Jingpo Autonomous Prefecture, when an overspeed tractor with ten passengers veered off a bridge and overturned into a 17-meter-deep ditch.

Nine passengers were killed on the spot and the other one died on the way to hospital. The driver was seriously injured and is still in critical condition, the police said.

The identities of the dead remain unknown and investigation into the cause of the accident is underway.

(Xinhua News Agency May 8, 2006)