Vladimir Putin has sent several nuclear submarines into the North Atlantic which are capable of carrying 16 ballistic missiles each.

Shortly after Putin invaded Ukraine he ordered his nuclear deterrent forces to be on “high alert” which experts claim this is simply him “posturing” as there is no real nuclear threat, however western intelligence are monitoring the situation very closely.

A navy source told The Times, “The majority of Russian conventional weapons can be retrofitted with a low-yield nuclear capability.

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“It is more complex than ‘plug and play’ but the Russians are quite innovative in what they put in front of bombs and missiles.”

Dr Matthew Kroenig, Director of the Scowcroft Strategy Initiative at the Atlantic Council, told The Mirror Online there were two reasons why Putin has move his weapons.

He said, “This is part of Russian strategy. I don’t think we are getting ready for a nuclear war.

“It’s like in the animal kingdom when animals make themselves look really big before a fight.

“What Putin is trying to do is intimidate us to say ‘stay out of Ukraine’.”

He added, “This development does make things more dangerous with nukes moving around, but Russia did this in 2014 and they use nuclear deterrence as an offensive strategy.”