Sir Keir Starmer and other European leaders will urge Donald Trump not to submit to Vladimir Putin’s demands for more Ukrainian concessions.

In a show of unity in the wake of Russia’s success at last week’s Alaska summit, the group will fly to Washington on Monday and attempt to stiffen US resolve in the peace talks.

Alongside Emmanuel Macron, the French president, and Friedrich Merz, the German chancellor, Sir Keir will seek to minimise the risk of Volodymyr Zelensky being humiliated in the Oval Office again – as happened when he last visited in February.

The European delegation – which includes Giorgia Meloni, the Italian prime minister; Ursula von der Leyen, the European Commission president; and Mark Rutte, the Nato secretary-general – will also push back on Putin’s demand for Mr Z

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