On Monday, Trump said that Russia's failure to reach a negotiated settlement with Ukraine within 50 days would lead to his administration imposing a 100% tariff rate on Russian imports as well as what he called "secondary tariffs" on countries that have continued to do business with Moscow.

Russia has rejected President Trump's "ultimatum" for Moscow to sign a ceasefire deal to end the war in Ukraine within 50 days on Tuesday as "unacceptable," calling for continued negotiations and insisting that the invasion ordered by President Vladimir Putin would continue until its goals are achieved.

President Trump has effectively handed Vladimir Putin an extraordinary green light: 50 days to finish off his brutal summer offensive in Ukraine before facing any consequences.

President Trump threatens Putin with 100% tariffs if no Ukraine peace deal is reached within 50 days, while confirming arms sales to NATO to support Ukrainian resistance.

Get the latest news on President Donald Trump’s second term in the White House and the Republican-led Congress.

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

President Trump has expressed growing support for NATO, saying that member nations are now "paying their own bills."

U.S. President Donald Trump’s special envoy to Ukraine and Russia met with Ukraine President Volodymyr Zelenskyy in Kyiv on Monday, as anticipation grew over a possible shift in the Trump administration’s policy on the three-year war.