Donald Trump on Monday threatened to impose "severe tariffs" on Russia unless a peace deal was reached with Ukraine within 50 days.

It remains to be seen just how lasting and severe President Donald Trump’s turn against Vladimir Putin will be. Trump has criticized the Russian president in unprecedented terms in recent days and signaled he’ll send vital weapons to Ukraine.

Donald Trump has remarked that it will be 'too bad' if Vladimir Putin refuses to agree to a ceasefire in Ukraine. Speaking to the press on the White House South Lawn on Tuesday, following his threat of imposing "secondary tariffs" of up to 100% on Moscow if they don't strike a deal within the next 50 days,

Is US First Lady Melania Trump a secret agent who turned Donald Trump against Russian President Vladimir Putin? Yes, if social media is to be believed. Melania became a hero for Ukrainians and became the subject of "Agent Melania Trumpenko" memes after Trump credited her with questioning Putin's actions.

The Kremlin said on Tuesday that U.S. President Donald Trump's recent statements, including a threat of sanctions on buyers of Russian exports, are serious and require analysis.

U.S. President Donald Trump said he was disappointed but not done with Russian President Vladimir Putin, according to a BBC interview published on Tuesday, hours after Trump announced new weapons for Ukraine and threatened Russia with sanctions.

Donald Trump tells the BBC he is "disappointed" with Vladimir Putin over the lack of a ceasefire deal in Ukraine.

Trump's threat against Russia runs parallel to a Senate-led effort to pass crippling sanctions on countries that buy Russian energy.