A summit of European leaders to discuss Ukraine's defense has been overshadowed by the diplomatic row at the White House.

Donald Trump has hit out at calls from European leaders for the US to provide security guarantees for any Ukraine peace deal.

In a letter to the prime minister seen by Sky News, former Labour leader Jeremy Corbyn says UK officials may have been implicated in "the gravest breaches of international law".

A growing rift between US President Donald Trump and Ukraine President Volodymyr Zelensky leads several of Tuesday’s front ...

The leaders of Britain and France are spearheading a desperate diplomatic drive to shore up Europe’s security, bolster ...