Ukraine has reportedly deployed UK-supplied Storm Shadow missiles against Russian targets, a significant escalation given Russia’s updated nuclear doctrine. -This doctrine now allows for a nuclear response to conventional strikes on Russian soil using weapons from nuclear powers like the UK or the US.

Ukraine has fired British-made Storm Shadow missiles into Russia for the first time.The missiles were fired into the Kursk region on Wednesday morning, in response to Russia deploying North Korean troops in its war against Ukraine,

Russia's military says it shot down two British-made Storm Shadow missiles, doesn't say where or when

The UK government recently supplied Ukraine with dozens more Storm Shadow cruise missiles, according to people familiar with the matter, a first under Prime Minister Keir Starmer, who has pledged continued support for the country’s war against Russia.

Long-range British Storm Shadow missiles have reportedly been fired into Russia by Ukraine for the first time. The weapons were fired into the Kursk region on Wednesday morning, it is believed.

Sir Keir Starmer has not confirmed that the UK is supplying the precision weapons - but they are understood to have been used by Ukraine to strike targets inside Russia last week.