How dangerous is Russia's new missile that ‘nobody can see, nobody can stop’?

Russian President Vladimir Putin has announced the successful test of the nuclear-powered Burevestnik cruise missile, saying ‘it’s a unique product that no one in the world has’. Here’s what we know

How dangerous is Russia's new missile that ‘nobody can see, nobody can stop’?
Russian President Vladimir Putin has announced the successful test of the nuclear-powered Burevestnik cruise missile, saying ‘it’s a unique product that no one in the world has’. Here’s what we know