Four persons have been killed in an explosion at the store of Upper Chaku Hydropower Project at Bhotekoshi rural municplaity-4 in Sindhupalchowk district Monday evening.
Store-keeper Sandup Lama of Humla, site incharge Bhai Kaji Sherpa of Dolakha, contractor Gopal Sherpa and and a welder have been killed in the explosion, according to the police.
DSP at Sindhupalchowk Police Madhav Kafle said the incident may have been caused by explosion of cooking gas cylinder. Locals, meanwhile, estimated that the explosives stored to blast tunnel may have gone off.
Details of the incident have yet to arrive.