Russian drone strikes in Sumy and Zaporizhzhia killed six civilians as the UN reported May as the deadliest month for non-combatants since last year.Ukraine responded with a massive drone offensive against military and industrial sites inside Russia, forcing evacuations and airport closures in the Moscow region.These escalating attacks reflect a significant intensification of aerial warfare that continues to devastate civilian infrastructure across both nations.The recent strikes underscore the worsening security situation for residents living far from the main front lines of the ongoing conflict.