A huge plume of black smoke fills the sky, people react with shock and confusion. Some run to try to tackle small blazes, others stand and stare.
Captured on what appears to be a cellphone video, the scene is believed to be the immediate aftermath of the crash of Malaysia Airlines Flight 17 in eastern Ukraine four months ago.
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The footage emerged online over the weekend, just as the removal of wreckage from the crash site for an international investigation finally began.