Some conservative members of Donald Trump's "Make America Great Again" movement have reacted angrily to the president's plans to sell weapons to Nato, arguing it is a betrayal of his promise to end US involvement in foreign wars.

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.

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

Russia continued its nightly bombardment of Ukrainian cities overnight into Tuesday, after President Donald Trump said the U.S. would send military equipment to Kyiv.

The president said in a meeting with NATO’s leader that Kyiv will have new weapons and air defenses within days under the agreement.