At least four people were killed—two in Ukraine and two in Russia—as both countries launched overnight aerial attacks, targeting multiple regions, officials said Friday.

In Ukraine, the southern Dnipro and northeastern Sumy regions came under combined rocket and drone strikes. Serhii Lysak, head of the Dnipro regional administration, confirmed that two people were killed and five others injured in the attacks. A multi-story building and a business establishment in the city of Dnipro were damaged, while a fire engulfed a shopping center in the region.

In Sumy, three people were reported injured by local military authorities.

Kharkiv, Ukraine’s second-largest city, endured heavy bombardment. Local officials said the city was struck by four guided aerial bombs, two ballistic missiles, and 15 drones in a span of three hours. Kharkiv Mayor Ihor Terekhov said high-rise buildings, businesses, roads, and communication networks were damaged. Five people were injured, including three emergency workers caught in a “double tap” strike—where rescuers are targeted after the initial attack.

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Ukraine’s Air Force reported that Russia launched 208 drones and 27 missiles overnight. Air defense systems intercepted or shot down 183 drones and 17 missiles, while 10 missiles and 25 drones struck nine locations.

Meanwhile, in Russia, Ukrainian drones targeted several regions. In Rostov, a border region, a drone strike killed two people, according to acting governor Yuri Slyusar. In the nearby Stavropol region, drones hit an industrial facility, sparking a fire and prompting temporary internet restrictions.

Additional drones targeted Moscow, Penza, Crimea, the Azov and Black Seas, and several other Russian regions, with 54 drones intercepted in total, Russia’s Defense Ministry said.

Civil aviation authorities briefly halted flights in Kaluga, Vladikavkaz, and Grozny following the attacks.