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:

The West is waging a full-scale war against Russia, and Moscow should respond in full, former Russian president Dmitry Medvedev has said.Mr Medvedev, now deputy chairman of Russia's Security Council,

Donald Trump has remarked that it will be 'too bad' if Vladimir Putin refuses to agree to a ceasefire in Ukraine. Speaking to the press on the White House South Lawn on Tuesday, following his threat of imposing "secondary tariffs" of up to 100% on Moscow if they don't strike a deal within the next 50 days,

Armenia has signalled it could quit the Collective Security Treaty Organization (CSTO), a security bloc seen as Moscow's version of NATO, after a peace treaty with Azerbaijan

In the 18th round of sanctions on Russia over its war on Ukraine, the European Union (EU) has targeted Vladimir Putin’s income from oil sales. The EU has sanctioned an Indian refinery for the first time in which Russia has a 49% stake.

Explosions rocked Kyiv and multiple other regions in the early hours of July 16, with Ukraine's Air Force issuing repeated warnings of drone and missile strikes across the country, including western o