Russia mounted an intense missile and drone barrage of the Ukrainian capital overnight, killing four people, Ukrainian officials said, as powerful explosions reverberated across the city. The attack followed a warning from Russian President Vladimir Putin,

Russia launched a barrage of drones and ballistic missiles across broad swaths of Ukraine early Friday, killing at least four people and injuring dozens of others, days after Kyiv launched a daring raid on Moscow’s fleet of strategic bombers.

Officials say Ukraine was under an ongoing Russian ballistic missile and drone attack early Friday that wounded at least three people.