Theresa May earlier issued Russian President Vladimir Putin 24 hours to respond to claims that Russia was “highly likely” behind the attempted murder of Mr Skripal and his daughter Yulia. …
It is thought Britain might target Kremlin propaganda machines, with Whitehall sources suggesting the UK will up the ante on its offensive cyber programme.
But the Russian embassy in the UK has hit back at the ultimatum and warned Mrs May against “punitive measures”.
In a further blunt warning to the Prime Minister, Russia’s foreign ministry spokeswoman Maria Zakharova added nobody should threaten a nuclear power, according to the nation’s the state-run RIA news agency.