The Canadian and American embassies in Ukraine are closed to the public today after the U.S. warned of a "potential significant air attack" by Russia in Kyiv.

Ukraine has launched UK-supplied storm shadow missiles into Russia for the first time, reports suggest.

President Biden approves Ukraine's use of U.S.-supplied long-range missiles against Russia, while Trump criticizes Ukraine aid.

U.S. policy shift allowing Kyiv to use ATACMS missiles sparks furious response from Moscow, risking major war.

Kyiv says it hit Russian military command post with the British Storm Shadow cruise missile, a day after it fired US missiles.

US embassy in Kyiv shuts its doors "out of an abundance of caution".

The BBC understands the long-range missiles have been fired into Russian territory by Ukraine.

In a dramatic development, up to 12 Storm Shadow rockets were fired at targets in Kursk - the southern Russian province where Kyiv troops have seized territory.

Ukraine has reportedly used UK Storm Shadow missiles in an assault on Russia, hitting a base in the Kursk region which was said to be housing top North Korean commanders and Russian brass

Russia is threatening to unleash new 'massive' missiles capable of striking anywhere in Europe after dozens of US and UK-made rockets were fired into Kursk.