"Trump issued a theatrical ultimatum to the Kremlin. The world shuddered, expecting the consequences," wrote Dmitry Medvedev, Russia's former president, on social media on Tuesday.

President Donald Trump’s announcement that the United States will help Ukraine obtain advanced U.S.-made weaponry and his threats of tariffs against Moscow mark his strongest comments yet in support ...

The Patriot, short for Phased Array Tracking Radar for Intercept on Target, is a mobile surface-to-air missile defence system developed by Raytheon Technologies.

Trump announced new weapons for Ukraine on Monday, and threatened sanctions on buyers of Russian exports unless Russia agrees a peace deal, a major policy shift brought on by frustration with Moscow'...

Russia does not care about U.S. President Donald Trump 's "theatrical ultimatum" about slapping sanctions on buyers of Russian exports unless Moscow agrees to a peace deal in Ukraine, a senior securi...

The time frame for further arms deliveries that European countries have agreed to pay for is crucial.