The missile has a range of around 155 miles and is designed to evade detection by flying low after being launched

Ukraine has fired UK-supplied Storm Shadow missiles at targets inside Russia for the first time, the BBC understands. The war-torn country was previously restricted to using the long-range missiles within its own borders.

The Kremlin has been clear that it views the supply of Western weapons to Ukraine as a hostile act, with Putin warning of a potential retaliation.

The UK is ‘directly involved’ in the Ukraine war after its missiles were used to strike targets in Russia, an ambassador has said. Andrei Kelin, the Russian ambassador to the UK, warned Britain the use of Storm Shadow missiles is bringing the country directly into the conflict.