Trump was unhappy to find out about the Pentagon chief’s controversial decision, which the president quickly reversed after a high-stakes meeting with Ukraine’s Volodymyr Zelenskyy.

Defense secretary’s move sparked internal ‘scramble’ to explain withholding to Congress and the Ukrainian government, which had been relying on arms shipment to combat Russian assaults

When asked about the move during the meeting, Trump said only that the US would continue to send defensive weapons to Ukraine. Pressed by another reporter on who authorized the pause, Trump replied, "I don't know,