Russia unleashed its most intense attack on Ukraine since the beginning of its invasion Tuesday night – as experts warn the latest launch, prompting NATO jets to scramble into Polish airspace, is evidence of Moscow’s ramped-up lethal drone production.

How did Ukraine strike deep into Russia with drones, and no pilots crossing the border? Scripps News’ Jason Bellini investigates Operation Spider Web and the future of autonomous drone warfare.

Russian Foreign Minister Sergei Lavrov and US top diplomat Marco Rubio held “frank” talks on the Ukraine war during a meeting Thursday, both sides

A colonel in the domestic spy agency, Security Service of Ukraine (SBU), was gunned down in broad daylight in the capital’s southern Holosiivskyi district on Thursday

LONDON—Ukraine said it struck a Russian air base on Saturday, while Russia continued to pound Ukraine with hundreds of drones overnight as part of a stepped-up bombing campaign that has dashed hopes for a breakthrough in efforts to end the more than 3-year-old war.

Ukraine launched a missile strike on a Russian military airbase in Voronezh, damaging a bomb depot and aircraft, according to official sources.

Russian Foreign Minister Sergei Lavrov and US Secretary of State Marco Rubio held what Moscow described as a “frank exchange” in Malaysia on Thursday, amid renewed Russian strikes on Kyiv and a surge in civilian casualties.