An Mi-8 helicopter, which, according to unconfirmed reports, belonged to the FSB, crashed in the Chelyabinsk region of Russia. This is reported by Russian public media.
Data on the number of people on board varies. According to the latest reports, there were 3 crew members in the helicopter, and all of them died.
RosMedia reports that the Mi-8 was conducting a training flight: the pilots were practicing a takeoff and landing maneuver. The previous cause of the crash was a technical failure.
