In the latest sign of Moscow's mounting war losses, Ukraine Defence Ministry has tweeted a video of a Russian helicopter being shot down by a surface to air missile by the Ukraine forces.
The incredible video shows Ukraine forces celebrating as they take down the Russian helicopter which falls to the ground in a ball of fire.
Reports from the warzone say that Russian forces are facing a tough challenge from the Ukraine military to the invasion that started 11 days ago.
Also read: Russia-Ukraine Highlights
The Ukrainian military fighting the much larger Russian invasion force has been able to destroy hundreds of Russian tanks and armoured vehicles using hand-held anti-tank missiles supplied by the US, reports have said.
Ukraine has claimed to have killed thousands of Russian soldiers on ground.
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The war, which began with Russia's invasion on Feb. 24, has sent nearly 1.5 million refugees fleeing westward into the European Union and provoked unprecedented international sanctions on Moscow and warnings of a global recession.