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for Ukraine, raising a question mark over the level of support Ukraine can expect now that Trump administration has withdrawn.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 Donald Trump has finally found a way to like arming Ukraine: ask European allies to donate their weapons, and sell them American replacements.

One of the major questions hanging over the new plan is how fast it can get desperately needed weaponry to Ukraine as it faces nightly Russian bombardments.