Zelenskyy names three countries that will help Ukraine strengthen anti-ballistic defence

Military radar showed the drone coming in from the east, where Russia and its close ally Belarus have long loomed as a menace to NATO’s eastern flank.

Poland has been a staunch supporter of Ukraine, its eastern neighbour, in its more ​than four-year-old war against invading Russian forces, contributing financial and military ​help.

Estonia is hosting the summit in its capital, Tallinn.