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.

U.K. Prime Minister Keir Starmer is flying to Washington on a trip aimed at persuading U.S. President Donald Trump to maintain military support for Ukraine.

Ukrainian President Volodymyr Zelenskyy says his country wants “security guarantees” before any talks to end the Ukraine-Russia war.

Several NATO allies are insisting that Ukraine and Europe must not be cut out of any peace negotiations, after U.S. President Donald Trump signaled that he would hold talks soon with Russian President Vladimir Putin.

U.S. Defense Secretary Pete Hegseth says NATO membership for Ukraine is unrealistic.

Officials say German submarine-hunting planes will patrol the North Atlantic from a base in Scotland under a new Britain-Germany defense pact in response to the growing threat from Russia.

Ukrainian President Volodymyr Zelenskyy has urged Britain’s new government to help Kyiv’s forces attack deeper inside Russia to stop deadly missile strikes.

Former NATO leader George Robertson will lead a review of Britain’s military strategy.