Ukraine war live: NATO downs drone over Lithuania, Russian frigate fires flares at Danish helicopter

NATO scrambled fighter jets overnight to ​shoot down a drone over Lithuania after the latest incursion on the alliance's eastern flank. In a separate incident, Denmark said a Russian warship fired two emergency flares at a Danish helicopter in the Baltic Sea, adding that the Russian ambassador had been summoned over the "reckless action". Follow our liveblog for the latest developments.