NATO allies increasingly study Ukraine's wartime innovations in drones and defense production as the alliance prepares for its July summit in Ankara.

By Yuliia Dysa KYIV, May 25 (Reuters) - Exiled Belarusian opposition leader Sviatlana Tsikhanouskaya visited Kyiv on Monday following weeks of mounting warnings from Ukrainian officials about Russian plans to draw Minsk more deeply into the war against Ukraine.

Ukraine's defence forces struck the Belets oil depot in Russia's Bryansk Oblast on the night of 24-25 May, as well as ammunition depots, a logistics warehouse and Russian military command facilities in temporarily occupied Crimea and in Donetsk and Zaporizhzhia oblasts.

But while the U.S. has shifted its focus elsewhere, Ukraine has been more than holding its own. Its military has increasingly taken the initiative in the country’s east, where small factions of Russian and Ukrainian troops are locked in a hellish form of drone-based hybrid warfare.

Get an exclusive look inside Ukraine's hidden drone factories rapidly producing kamikaze drones and interceptor systems to counter Iranian-designed Shahed and other Russian drones.

Russia unleashed one of its largest aerial assaults on Ukraine in recent months, only hours before the U.K. and Germany are to chair a meeting to discuss U.S. President Donald Trump’s plans for NATO allies to provide Ukraine with weapons. Subscribe to ...

Beneath us, on an operating table, a brain pulsed through a roughly six-inch hole carved by a bone saw. Armonda gently probed the glittering mass, picking out shrapnel. We were at Mechnikov Hospital in Dnipro,

Andriy Melnyk, criticized as a Nazi collaborator and lionized as an anti-Soviet resistance leader, was given state honors for his reburial near Kyiv.

Ukraine is calling for an emergency meeting of the UN Security Council and a gathering of the Organization for Security and Co-operation in Europe (OSCE) following massive Russian airstrikes,