By Ben Aris in Berlin At least four countries are already bailing out of commitments to pay the US for weapons supplies for Ukraine, raising a question mark over the level of support Ukraine can expect now that Trump administration has withdrawn.

President Trump said Monday he had brokered a deal to send more weapons to Ukraine without burdening the U.S., while threatening Russian President Vladimir Putin with new sanctions if there is no deal to end the war in 50 days.