President Trump told fellow NATO countries on Saturday that he will only impose new sanctions on Russia over its war in Ukraine if they stop purchasing Russian oil.

"I am ready to do major Sanctions on Russia when all NATO Nations have agreed, and started, to do the same thing, and when all NATO Nations STOP BUYING OIL FROM RUSSIA," he wrote in a lengthy social media post in what he described as the text of a letter to all NATO countries and the rest of the world.

Trump has been under pressure from some in his own party to increase sanctions on Russia after his efforts at diplomacy stalled . Meanwhile, Russia has stepped up aggression – including this week when multiple Russian drones entered the airspace of NATO member Poland.

NATO fighter jets shot down the drones. Trump's

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