NATO allies will buy arms, then give them to Ukraine, President Trump said. Patriot air defense systems, missiles and ammunition are among the American-made weapons NATO allies will buy under an arms deal brokered with President Trump to help Ukraine defend itself from Russian attacks, officials say.

NATO Secretary General Mark Rutte warned that Brazil, China and India will face secondary sanctions from the US if Russia doesn’t negotiate a peace deal with Ukraine, and said they should lean on President Vladimir Putin to agree to a ceasefire.

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

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

Donald Trump's Ukraine envoy Keith Kellogg began talks in Kyiv on Monday on security and sanctions against Russia. That's a day after the U.S. president said he would send Patriot air defence missiles to Ukraine.

New images assessed by Business Insider show new roadworks, buildings, and modifications, with some sites undergoing rapid expansion.

Poland and the Baltic states also withdrew from the Ottawa Convention despite pleas from some leaders to maintain decorum in the face of Russian aggression.