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

Trump also revealed that Putin had recently offered to assist in mediating between Israel and Iran during their brief June conflict — an offer he declined. “I said, ‘No, no, you help me get a settlement with you, with Russia,’” Trump recounted. “And I think we're going to be doing that too.”

U.S. President Donald Trump issued a stark warning to Russia on Monday, threatening steep new tariffs unless President Vladimir Putin agrees to a ceasefire with Ukraine within the next 50 days. “If we don’t have a deal in 50 days,