Explosions occurred in the region of Kiev, Dnipropetrovsk and Sumy, it was reported the Ukrainian agency TSN.
An air alert is in effect in Dnipropetrovsk, Zhytomyr, Kyiv, Poltava, Sumy and Chernihiv regions. At least four explosions have already occurred in the city of Sumi.
Russian air defense systems overnight intercepted and destroyed 23 Ukrainian drones over the Bryansk, Kaluga and Kursk regions, the Russian Defense Ministry said.
„Over the past night, air defense systems on duty destroyed and intercepted 23 Ukrainian drones - 12 in the territory of the Bryansk region, 9 over the territory of the Kaluga region and two over the territory of the Kursk region, the military said.