Warning: This report contains highly distressing images.

When a history is written of the first two months of Russia's invasion of Ukraine, the massacre of people waiting to flee at Kramatorsk station will no doubt feature.

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And, like the shelling of the theatre in Mariupol in March, it is following a similar script.

First, the slaughter of civilians, many of them children, seeking safety.

Then denial by the Russians that the event happened, followed by the suggestion that Ukranians had bombed themselves.

Kramatorsk is in the east where Russia is focusing its military might.

Locals had been warned to leave and thousands were trying to do so at the railway station when it was hit.

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