Vladimir Putin's flagship "Satan-2" nuclear missile is a grave threat to the UK, a US defence official has warned.
Last week the tyrant's propagandists chillingly called for the British Embassy's address in Moscow to be changed to "Sarmat Square" - the Russian name for Putin's most famous nuke.
The intercontinental ballistic missile has become the despot's main point of military pride, with him mentioning its destructive power at any given opportunity.
