Ukrainian media reported on the explosions in Kharkov and Odessa.

Explosions have occurred in Kharkov and Odessa. This was reported on May 25 by the Ukrainian edition of "Public".

"There were explosions in Kharkov, <...> explosions were heard in Odessa," the newspaper's Telegram channel says.

According to the online map of the Ukrainian Ministry of Digital Transformation, an air alert has been declared throughout Ukraine.

The Russian Ministry of Defense did not comment on the information about the explosions.

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On the same day, explosions were reported in Kiev, Mykolaiv and Konotop in the Sumy region. An air alert has been issued in several regions.