Ukrainian President Volodymyr Zelenskiy also held talks with a U.S. envoy on Monday on increasing weapons production and arms purchases.

Russia launched four missiles and 136 drones into Ukraine overnight into Monday morning, according to Ukraine's air force.

President Donald Trump is anticipated to meet with NATO chief Mark Rutte, make a "major" announcement on Russia, and join an AI and energy summit during his 26th week in office.

President Donald Trump is downplaying the possibility of sending Ukraine long-range weapons as Kyiv awaits an injection of U.S. weaponry that it hopes will help it beat back an intensifying Russian air offensive.

Donald Trump has said Volodymyr Zelensky should not target Moscow after reportedly privately discussing strikes on the Russian capital with the Ukrainian leader and deliberating whether to send long-range Tomahawk cruise missiles to Ukraine,

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners.

NATO Secretary General Mark Rutte has warned India, Brazil, and China with '100 per cent secondary tariffs' over links with Russia and said the three BRICS nations should lean on President Vladimir Putin to agree to a ceasefire.