The explosions occurred in Kiev, according to Ukrainian media.
"Explosions are thundering in Kiev," the RBC—Ukraine agency writes.
According to the Strana newspaper, drones are flying over the Ukrainian capital. In turn, the mayor of the city Vitali Klitschko informed about the operation of air defense systems.
No other details are given. An air alert has been declared in most of the territory of Ukraine, including in Kiev.