Ukraine's parliament gave its initial approval on Wednesday to an extra $9.8 billion in budget spending for the army and defence this year as the war against Russia drags on with no end in sight.

Trump said he would end the war in Ukraine within his first 24 hours in office. His patience with Russia's Putin now appears to be wearing thin.

A retired Army officer who worked as a civilian Air Force employee has pleaded guilty to conspiring to share classified information about Russia's war with Ukraine.

The legislation, which would allow the president to levy a 500% tariff on imports from countries that purchase Russian uranium, gas and oil, has gained momentum in the Senate as Trump has signaled he will escalate US action against Russia.

Donald Trump has threatened Russia with 100 per cent secondary tariffs if the war in Ukraine does not end soon, as he announced an agreement with Nato allies to send more weapons to Kyiv.

In exchange for David Slater's guilty plea in conspiring to transmit classified information about Russia's war with Ukraine on a foreign online dating platform, two other counts were dropped.

Ukraine's Brave1 hopes all of its infantry will eventually carry its new anti-drone rifle rounds, designed to fire from NATO-issued rifles.

Ukraine seeks ironclad guarantees against future Russian aggression. These can come in two general forms: outside assurances, with the most conspicuous one being the Article V protections that come with NATO membership, or the “steel porcupine” strategy whereby Ukraine builds up its own robust domestic deterrent with assistance from Western states.