The stakes have never been higher in the Ukraine-Russia war. In the week that saw the conflict pass its 1000th day, Western powers substantially boosted Ukraine's military arsenal - and the Kremlin made its loudest threats yet of a nuclear strike.

The Russia-Ukraine war is escalating, with President Vladimir Putin amending the country’s nuclear doctrine. This has shone a light on Russia’s vast nuclear arsenal. Some estimate that Moscow has 5,580 nuclear warheads,

Russian President Vladimir Putin on Tuesday signed a revised nuclear doctrine declaring that a conventional attack on Russia by any nation that is supported by a nuclear power will be considered a joint attack on his country.