Ukraine war latest: Moscow cancels Navy Day parade in St. Petersburg as nearly 100 drones reportedly downed across western Russia

Key developments on July 27: * Moscow cancels Navy Day parade in St. Petersburg as nearly 100 drones reportedly downed across western Russia * ‘We assessed your attempt,’ — top Ukrainian drone commander hints Russia tried to strike multiple unit leaders at once * Moscow warns of ongoing war unless Ukraine complies with its maximalist demands * Rubio says Trump ‘losing patience with Russia,’ despite giving Putin 50-day peace deal deadline * Russian drone strike on bus reportedly kills 3, in