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.

Donald Trump has said that he is disappointed but not done with Vladimir Putin, in an exclusive phone call with the BBC. When the US president was pressed on whether he trusts the Russian leader by Chief North America Correspondent Gary O'Donoghue,

U.S. President Donald Trump said he was "not done" with Russian President Vladimir Putin, according to a BBC interview published on Tuesday, hours after he said he was disappointed in Putin and threatened Moscow with sanctions.