A helicopter belonging to Air Dynasty crashed at Balabesi in Kepilasgadhi Rural Municipality-2, Khotang on Wednesday.
The aircraft was en route to Khotang from Kathmandu and was carrying six people, including pilot Sabin Thapa, when the incident occurred.
According to locals, the chopper suddenly lost balance while landing and fell to the ground.
DSP Prakash Budhathoki, Chief of the District Police Office, Khotang, said that the details of the incident are yet to come.
Among those on board, Kaji Bahadur Rai sustained injuries., DSP Budhathoki said.
A helicopter has been dispatched from Kathmandu to carry out rescue operations, it has been learnt.