Ukraine and Russia exchange deadly strikes, with at least one child killed

A Russian drone strike in Sumy, Ukraine, killed three family members including a 13-year-old boy, while a Ukrainian strike on a Russian industrial plant in Voronezh killed five people. Civilian casualties in Ukraine have risen, with 274 killed and 1,763 injured in May, the highest in four years. Both sides reported drone attacks and defenses, with Ukraine targeting Russian infrastructure and Russia striking Ukrainian cities.