An advanced fifth-generation Su-57 stealth fighter jet crashed spectacularly “during a routine training mission in the Moscow region on Thursday,” say reports published by Russian state media. But some Ukrainian sources are claiming it as successful sabotage.

Another warehouse of Russian online retailer Wildberries caught fire after Ukrainian strikes. Moscow hit back with attacks on Kyiv and Romania shot down a drone over its airspace. Send us your questions for analyst Michael Clarke to answer in his Q&A on Monday at 1pm.

Ukraine fired more than 400 drones toward Moscow in its latest major attack on the Russian capital, the city’s mayor said Monday. The blitz came hours after Russia bombarded Kyiv and other Ukrainian cities with ballistic missiles in a relentless cycle of tit-for-tat strikes that make a settlement to end Moscow’s more than 4-year-old all-out invasion appear a distant possibility.

The Tupolev conducts most of Russia's long-range missile strikes against Ukraine.

Ukrainian President Volodymyr Zelensky said that the U.S. and Ukraine plan to build a drone factory in the U.S. as part of a new defense partnership combining American manufacturing with Ukraine’s battlefield-tested drone technology.

Ukraine's new Firefly brings precision guidance to low-cost drone bombs. This will give an extra edge to Ukraine's already capable heavy bomber drones.

Fox News chief national security correspondent Jennifer Griffin reports on Ukraine’s planned collaboration with the Pentagon’s drone program and examines what the partnership could involve. Griffin also discusses Ukrainian President Volodymyr Zelenskyy’s firing of the country's top general on ‘Fox Report.

MOSCOW: Ukrainian drones struck a Siberian oil refinery on Saturday (Jul 25) and disrupted a Urals athletics competition, as Kazakhstan's president told Russian President Vladimir Putin the Ukraine wa