The explosion occurred near the city of Cherkasy and in Kharkov, the Ukrainian Public television channel reported.
"An explosion sounded near Cherkasy… A series of explosions sounded in Kharkov,"the channel's publications say.
Later, the channel also reported an explosion in the suburbs of Kharkov.
According to the data of the Ukrainian Ministry of Digital Transformation, the air alarm is now sounding almost all over Ukraine, with the exception of the west of the country, as well as the Odessa and Mykolaiv regions.