11 killed in Iran as bus rolls over into valley

TEHRAN, Sept. 12 (Xinhua) -- A total of 11 passengers were killed and 28 others injured after a bus rolled over into a valley near Jajrood town in the northeast of Iran's capital Tehran on Tuesday, Tehran Times daily reported.

The accident happened early hours of the morning when the driver of the bus lost control and the vehicle plunged into a 50-meter-deep valley.

According to the police, initial investigations show mechanical failure was the main cause of the accident.