Russian officials say rescuers are rushing to the site where a helicopter has crashed on the Yamal Peninsula.
The Transport Department of the Ural Interior Ministry said an Mi-8 helicopter carrying 22 passengers and three crew members had gone down on October 21 near the community of Novozapolyarny, about 70 kilometers from the city of Novy Urengoi.
One report said at least three people were injured in the incident.
The Transport Department said the helicopter was en route from the village of Suzunskoye, in the territory of Krasnoyarsk, to Novy Urengoi.
Officials said the weather conditions were bad in the area and that rescuers were going to the area on snowmobiles.
Based on reporting by Interfax and TASS