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.

President Trump’s dramatic shift to a hardline stance against Russia is not rooted in a newfound love for Ukraine, but in a personal fury at being played for a fool by Vladimir Putin. -According to Washington insiders,

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,

In an interview with DW, the mayor of Ukraine's capital Kyiv, Vitali Klitschko, explains what he thinks of US President Donald Trump's recent 50-day ultimatum to Russia. In 50 days more civilians could die,

Vladimir Putin: inscrutable, macho, unpredictable. This is how we portray Russia's leader. But the former KGB agent turned president is an enigma.

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:

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