Three men and a woman were killed on the spot when the WagonR taxi they were travelling in fell 1,100 ft below the road. The accident occurred at Lumi-tsawa in Punakha while they were travelling from Lobesa to Thimphu.
Police were informed about the accident only at around 8:20 this morning by local residents. Police suspect the accident could have occurred last night.
Though the search team had found only four passengers, the exact number of passenger traveling in the taxi is not known.
Doctors said the four have died of severe head and chest injuries.
Police are investigating the cause of the accident.
