Seven people have been injured after an Mi-8T helicopter tipped over shortly after takeoff in Russia's Tomskaya Oblast.
The incident occurred on the morning of July 14. Russia's Federal Air Transport Agency is sending specialists to the scene to investigate.
The helicopter, belonging to the Gazpromavia firm, had 14 passengers and three crew members on board when it went down.
Four of the injured are reportedly in serious condition.
Based on reporting by ITAR-TASS and Interfax