Ukraine’s air force said that Russia had launched 728 exploding drones and decoys, a barrage that set a single-night record and underscored Ukraine’s need for weapons. Trump, who just last week paused arms shipments to Ukraine, said on Monday that the U.S. would resume them because the country was “getting hit very hard.”

Russia pounded Ukraine’s capital with another mass missile and drone attack overnight into Thursday, causing fires in areas across the city and injuring at least 10 people a day after the heaviest aer...

President Donald Trump's decision to send more defensive weapons to Ukraine came after he privately expressed frustration with Pentagon officials for announcing a pause in some deliveries last week —...