Former Russian President Medvedev calls for preemptive strikes while Trump gives Putin a 50-day ultimatum to reach peace with Ukraine or face sanctions.

"Putin's criminal war is getting closer to our borders," Polish Foreign Minister Radosław Sikorski said on Wednesday.

Former Russian President Dmitry Medvedev said on Thursday that Russia had no plans to attack NATO or Europe but, if the West escalated the Ukraine war any further, then Moscow should respond and, if necessary,

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions on its energy exports has given the Kremlin extra time to pursue its summer offensive.

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

"We are very unhappy, I am, with Russia," President Trump said while in a meeting with NATO Secretary General Mark Rutte.

External affairs ministry has cautioned against double standards following NATO chief Rutte's warning of potential secondary sanctions for countries,

Donald Trump’s remarks on Ukraine on Monday were far from the biggest announcement the US president could have made.