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.

Russia launched a massive drone and missile barrage across Ukraine in a major retaliatory strike, days after Kyiv damaged key Russian bombers.

Russia launched large-scale drone and missile strikes on Ukraine's capital and other parts of the country early on Friday, local officials said. At least four people were killed in Kyiv and at least 20 have been injured, the city's mayor Vitaliy Klitschko said.