US president Donald Trump said he hoped Moscow would "do the right thing" and agree to a 30-day ceasefire after the Russian president made a series of demands for concessions. "Now we're going to see whether or not Russia is there, and if they're not, it'll be a very disappointing moment for the world," Mr Trump said.

Ukraine and the US are to hold crunch peace talks in Saudi Arabia from tomorrow following a tense few weeks in which relations between Kyiv and Washington looked more fraught than ever, US officials have said they are planning on using the meeting with their Ukrainian counterparts to determine whether Kyiv is willing to make material concessions