On the 21st local time, the Russian Ministry of Defense reported that two "Storm Shadow" cruise missiles were intercepted within Russian territory. According to British media reports on the 20th, Ukraine used British-supplied "Storm Shadow" cruise missiles for the first time to strike targets within Russia. It was reported that the UK previously allowed Ukraine to use tanks and other military equipment but had always restricted the use of long-range missiles. Reports indicate that with the permission of Western countries, Ukraine used the British "Storm Shadow" missile for the first time to attack the Russian Kursk region.