Ukrainians are again living with the threat of invasion, with tens of thousands of Russian troops amassed along their country's eastern border.

Russian President Vladimir Putin says his demands that NATO not be expanded are being ignored, and the west is luring him into conflict.

But in Ukraine, many say they've been here before, with memories of when Russia invaded in 2014 and annexed Crimea.

Today, we speak to two Ukrainians, one working with the Red Cross on the Russian border and one a reporter in the capital Kyiv, about life in the shadow of war.

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Alex Vlasenko, International Committee of the Red Cross, Donbas, Ukraine

Sashko Shevchenko, Radio Free Europe/Radio Liberty, Kyiv, Ukraine