Ukraine's incursion into Russia's Kursk region is legitimate, says NATO's Stoltenberg

FILE - Ukrainian President Volodymyr Zelenskyy speaks to NATO Secretary-General Jens Stoltenberg before the first plenary session at the European Political Community meeting at Blenheim Palace in Woodstock, Britain, July 18, 2024.

Ukraine's incursion into Russia's Kursk region is legitimate and covered by Kyiv's right to self-defense, NATO Secretary-General Jens Stoltenberg told German weekly Welt am Sonntag in his first reaction to the advance into Russian territory.