Ukraine and its allies are scrambling to keep Trump onside as the U.S. piles pressure on Kyiv to make a peace deal.

Using a special procedure meant for economic emergencies, the EU blocked the assets until Russia gives up its war and compensates Ukraine for the damage it has inflicted.

Russia attacked two Ukrainian ports on Friday, damaging three Turkish-owned vessels including a ship carrying food supplies, Ukrainian officials and one ship owner said, days after Moscow threatened to cut "Ukraine off from the sea".