PRO-Putin pundits and officials have been left punch-drunk by Trump's sudden backing of a total victory for Ukraine - and making increasingly insane threats of revenge.

Three of Putin's public mouthpieces have levelled insults towards the American president, following a shock pivot in support of Ukraine .

Amid Russian politicians pushing Putin to release nuclear weapons on the West, one advisor said it would be a "terrible sin" to not do so.

The sinister words came from Sergei Karaganov - also known as Professor Doomsday.

The 73-year-old honorary chairman of the Russian Council for Foreign and Defence Policy, claimed unleashing tactical atomic weapons was "the only way" to prevent a larger war between Russia and the US.

"The use of nuclear weapons ... is a terrible sin," he said

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