A Russian military captain has urged Vladimir Putin to deploy the nation's nuclear-capable hypersonic missile against Europe, a move that could potentially ignite World War III.

Moscow has been urged to use the Oreshnik hypersonic missile, which is said to be impossible to stop due to its speed

President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new tariffs on Russia. Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate:

Dozens of Russian spies who targeted Sergei Skripal’s daughter and mounted a series of attacks on Britain have been exposed by Britain’s security services.

Experts fear Russia could emply battlefield nuclear weapons in Ukraine after being given 50 days to stop the fighting by the US

Daniel Martindale has been given Russian citizenship after helping Vladimir Putin's interests in the Ukraine war

The president left the door open for talks with his Russian counterpart but complained about Russia’s continued aerial attacks on Ukraine.