Dhaka, Nov. 3 -- An Indian national has been killed and a New Zealander injured after two helicopters collided as they prepared to land in Nepal's Mount Everest region on Tuesday, authorities say.

The New Zealander has been rescued, the chief district officer of Solukhumbu district, Kaman Singh Thapa Magar, told Reuters.

The incident took place in the base camp area of Mount Everest, Magar said.

The collision has gone viral on social media after a video, purportedly showing the incident, surfaced online, Indian broadcaster NDTV reports. However, NDTV said it could not independently verify the authenticity of the footage.

The video showed the rotors of the two helicopters striking each other moments before landing, sending both aircraf...