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 launched British-French-made Storm Shadow missiles at targets inside Russia for the first time on Wednesday, according to a Russian military blog and Reuters, a day after Ukraine fired US-made ATACMS missiles into Russia.

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.

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.

British-made Storm Shadow missiles have been fired into Russian territory by Ukraine for the first time. Telegraph readers have said the situation is now “spiralling out of control at an alarming rate”. Ukraine’s defence minister avoided confirming that his country used UK-made long-range missiles at a press conference on Wednesday.

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.

Ukraine may possess an even larger number of Western missiles, which it can use to conduct strikes deep into Russia. According to Bloomberg, citing its sources, Kyiv is believed to have received a new batch of conventional,

The United Kingdom has secretly delivered dozens of Storm Shadow cruise missiles to Ukraine, Bloomberg reported on November 26. This marks the first such shipment under Prime Minister Keir Starmer and comes as Kyiv faces a critical shortage of long-range munitions.