Russian forces have reportedly lost their 55th colonel after a helicopter was struck by a Ukrainian missile.
Footage released by the Ukrainian Armed Forces appears to show the moment a Russian colonel's helicopter crashed after being hit by a Ukrainian missile.
It has been reported that the well-decorated Russian Lieutenant Colonel Sergey Gundorov died in the attack.
The footage released appears to show the moments before the fatal strike.
A Mi-35 military helicopter is seen coming under fire, while a second helicopter fires decoy flares before escaping unscathed.