Zelenskiy vows to investigate and prosecute all Russian ‘crimes’ in Ukraine – as it happened

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Russian chief negotiator Vladimir Medinsky has said Russia's position on Crimea and Donbas remains unchanged and that peace talks had not progressed enough for a leaders' meeting.

Medinsky's comments appear to be a rebuttal of earlier reports suggesting Moscow had verbally" agreed to key Ukrainian proposals.

A Ukrainian negotiator David Arakhamia told media on Saturday that Russia had given an official answer to all positions, which is that they accept the (Ukrainian) position, except for the issue of Crimea (which was annexed by Russia in 2014)."