"I think we have to face up to the fact that the Russians think they're in a state of war with us," Richard Dearlove, the ...

Ukraine's military says that Russia has sustained more than 735,000 casualties in its war effort since February 2022.

Chancellor of the Duchy of Lancaster Pat McFadden will say the UK and its Nato allies are ‘watching’ Moscow and combating its ...

Russia's state news agency says a British national has been captured while fighting alongside Ukrainian troops in the Kursk ...

Britain and its NATO allies must stay ahead in "the new AI arms race", British cabinet office minister Pat McFadden will say ...

The U.K. is seeking collaboration for a new AI security research lab, designed to counter the growing threat of hostile ...

The UK government recently supplied Ukraine with dozens more Storm Shadow cruise missiles, according to people familiar with ...

The former head of British intelligence agency MI6 has warned that Britain and its allies are already at war with Russia.

British Ambassador Nigel Casey faced sharp questioning by reporters after being summoned by Russia’s Foreign Ministry over ...

Russia said it would keep informing Washington about test missile launches in order to avoid "dangerous mistakes".

Russia on Tuesday expelled a British diplomat it accused of spying, telling London it would not tolerate "undeclared" ...