Ukraine will promise to buy $100bn of American weapons financed by Europe as part of a deal to obtain US guarantees for its security after a peace settlement with Russia, according to a document seen by the Financial Times.

President Trump and European leaders met for a one-of-a-kind summit at the White House on Monday to push toward a peace deal between Russia and Ukraine. But by the end of a marathon day of meetings, details on what such an agreement might entail remained elusive.

President Trump has offered only vague assurances of security guarantees for Ukraine if President Volodymyr Zelensky agrees to cut a deal with Russia.

Broadcast and cable networks went to special reports on Monday as Donald Trump and Ukrainian President Volodymyr Zelensky spoke to journalists in the Oval Office in advance of talks of a peace deal to settle Ukraine ‘s war with Russia.

Before and after the summit between President Donald Trump and President Vladimir Putin in Alaska, Ukraine has been assaulted with a barrage of Russian drone attacks and bombs.

The leaders of the UK, France and Germany will accompany Ukraine's president for crunch talks on ending Russia's war against Ukraine.