It is reported that the helicopter crashed during a training flight.
According to the TASS propaganda agency, there were four people in the helicopter.
On the other hand, the Mash and 112 publications claim that there were three people in the helicopter.
Aleksey Teksler, Governor of the Chelyabinsk Region, also claims that the crew of three was killed in the helicopter crash.
According to the RIA Novosti propaganda agency, technical failures were named as the initial cause of the disaster.