Russian attack helicopters have destroyed a convoy of Ukraine's armoured vehicles and anti-aircraft warfare, Russia's defence ministry has reported.
"Attack helicopters KA-52 ... destroyed weapons and military equipment of the armed forces of Ukraine," the ministry's reported as saying in a statement.
The ministry published video footage of attack KA-52 helicopters flying at extremely low altitude, launching missiles and firing from guns at ground targets.
The location and the timing of the attack was not specified.
