Ukraine says it urgently needs the heavy artillery to counter Russia on the battlefield. Also, President Zelenskyy is looking for additional support as the leaders of Germany, France and Italy visit.
The international trade dispute has drawn widespread condemnation and threatened to disrupt the relative peace in Northern Ireland since the 1998 Good Friday Agreement in Belfast.
The move has to be adopted unanimously, and Hungary — with a state oil company dependent on Russian imports and a populist leader friendlier toward Putin than most — has refused to go along.