There is also a growing awareness that the EU must provide for its own security, with election campaigning in the U.S. raising questions about Washington’s commitment to its allies.

Ukraine had virtually no domestic weapons industry when Russia invaded and the country is quickly ramping up production but lack of money and a shortage of gunpowder pose challenges.

Ukraine has launched a massive new wave of drone attacks as Russians cast ballots on the final day of a presidential vote set to extend President Vladimir Putin’s rule for another six years

Ukraine desperately needs more troops, with its forces depleted by deaths, injuries and exhaustion. Despite Russia’s own enormous casualties, the invaders still far outnumber Ukraine’s defenders.