Russia launches large-scale missile, drone attack against Ukraine.

Editor's note: This is a developing story and is being updated. Russia launched another large-scale attack against Ukrainian cities early in the morning on Feb.

7. Kyiv, Lviv, Mykolaiv, and Kharkiv oblasts were among those targeted, according to the latest information.

Explosions rocked the skies above Kyiv, according to the Kyiv Independent journalists on the ground. First responders were called to the capital's Dniprovskyi district following the reports of explosions. Mayor Vitali Klitschko reported that two high-voltage lines were damaged by missile debris.

He also said that some residents on the eastern-bank side of the city are experiencing power outages. Kyiv Independent journalists reported problems with the water supply on the western bank side of the city. Meanwhile, Lviv Oblast Governor Maksym Kozytskyi said via his official Telegram page that cruise missiles were maneuvering between Lviv, Ternopil, and Ivano-Frankivsk oblasts.

Several explosions were heard in Drohobych, located some 77 kilometers south of Lviv, the regional center. There were no reports of casualties or damages in the city. Air raid alerts were activated in all Ukrainian oblasts and in the city of Kyiv at around 6 a.m. local time following the Air Force warning of incoming cruise missiles.

Kharkiv Oblast Governor Oleh Suniehubov reported that Russian forces struck Kharkiv at least four times at around 6 a.m. local time. According to the governor, the attack targeted the Slobidskyi district of Kharkiv, dealing damage to a non-residential building. No casualties were reported at the moment.

Mykolaiv Oblast was attacked both by air-launched missiles and Shahed-type drones. Around 20 residential buildings were damaged in Mykolaiv, Governor Vitalii Kim said. One person was reportedly injured in the city and is being provided medical attention.

According to the governor, a fire started in an underground section of an underground gas pipeline. "In addition, a technical structure was damaged, and a fire broke out on the territory of the infrastructure facility," he said, adding that first responders are putting out the fire.

Several explosions heard in Kyiv, western Ukraine's Drohobych Explosions rocked the skies above Kyiv in the morning of Feb.

7 amid Russia's latest mass missile attack, according to the Kyiv Independent journalists on the ground.

Kyiv Mayor Vitali Klitschko urged residents to remain in shelters.