A military helicopter on a rural training exercise in western Russia mistakenly fired rockets at a group of parked vehicles, knocking at least one person to the ground, footage posted by Russian news sites and on social media showed.
Reuters: Helicopter mistakenly fires on parked vehicles in Russia war games
Helicopters fire during the joint Russian-Belarusian military exercises Zapad-2017 (West-2017) at the Luzhsky training ground in the Leningrad region on Sept. 18, 2017.