A 29-year-old man died on the spot when the bus he was driving fell off the road, 14 kilometres from Trongsa towards Wangdue Phodrang at 2 PM, today.
Nine other passengers sustained some injuries and are being treated at Trongsa hospital. They are said to be in a stable condition and will be kept overnight for observation.
All of them are the employees of Tangsibjee Hydro Electric Project.
They were going to another site from the surge shaft of the project when the accident happened.
Police suspects mechanical failure to be the cause of the accident.
