The continent’s role in any ceasefire will be limited unless countries commit more to Kiev and the Zelenskyy-Trump relationship is repaired

• Ukraine war: live updates

Europe and the UK are hoping they are on the brink of assembling a credible military coalition that Donald Trump can only refuse to support at risk of appearing openly to ally with Vladimir Putin – an alliance many grassroots Republicans reject.

The plan is a long shot since it requires enough countries inside Nato to offer practical support to such a coalition of the willing, and also needs Volodymyr Zelenskyy, the Ukrainian president, to patch up his relations with Donald Trump following Friday’s Oval Office meeting.