British Prime Minister Keir Starmer’s exhortation comes two days after U.S. backing of Ukraine appeared in jeopardy when President Donald Trump lashed out at Ukrainian President Volodymyr Zelenskyy.

President Volodymyr Zelenskyy arrived in the U.K. on Saturday, directly after his meeting with President Donald Trump and Vice President JD Vance in Washington, D.C.

The leaders of Britain and France are spearheading a desperate diplomatic drive to shore up Europe’s security, bolster Ukraine’s defenses and ensure the Trump administration doesn’t seek a ceasefire on terms that reward Moscow for invading its neighbor.

France and Britain are proposing a partial one-month truce between Russia and Ukraine that would cover air, sea and energy infrastructure attacks but not include ground fighting, French President

LONDON: Ukrainian President Volodymyr Zelensky said Monday he would work with Europe to set terms for a possible peace deal to present to the United States, after allies gathered in London

Keir Starmer has been gathering European leaders and trying to build a coalition of countries to accelerate stopping the war in Ukraine. | ITV National News

Starmer said he had worked with France and Ukraine on a plan to end ... Starmer hosted the meeting at Lancaster House, a 200-year-old mansion near Buckingham Palace, following his charm offensive ...

U.K. Prime Minister Keir Starmer said Britain and France have agreed to work with ... leaders' summit on the situation in Ukraine at Lancaster House, London. Picture date: Sunday March 2,...

After wrapping things up at Lancaster House, Zelensky flew north to Sandringham by helicopter for a reception with the King. The pair were pictured shaking hands outside the door to the monarch’s Norfolk residence, and the Ukrainian leader later described it as a ‘very good meeting’.

The summit, hosted by British Prime Minister Keir Starmer at Lancaster House, comes after an extraordinary Oval Office meeting between Ukrainian President Volodymyr Zelenskyy and US President Donald Trump.

You are not alone,’ Poland’s Donald Tusk tells Ukranian leader as EU leaders prepare to travel to London for crisis talks

This summit was in many ways an attempt by Europe to take some ownership of the diplomacy. In recent weeks, efforts to end fighting in Ukraine have been led by Trump speaking to Russian's President Vladimir Putin and at his Ukrainian counterpart Volodymyr Zelensky.