Ukraine has won key pledges of further support from world leaders in defending itself from Russia’s full-scale invasion, now in its fifth year. Leaders attending the summit promised to strengthen Ukraine’s air defenses and ensure its energy supply, as well as step up international economic pressure on Moscow. This comes as US President Donald Trump, bolstered by the memorandum of understanding with Iran, shifted away from Moscow. FRANCE 24’s Angela Diffley tells us what to know.