MOSCOW, March 5. /TASS/. An explosion occurred in the city of Kharkov on Sunday evening, according to the Ukrainian Klimenko Time media outlet.

No further details were given.

An air raid warning is currently in place in Ukraine’s Poltava, Sumy, and Chernigov regions.

Earlier in the day, several air raid warnings were issued and later cancelled in the Dnepropetrovsk, Kirovograd, Nikolayev, Poltava, Kharkov and other regions. The authorities reported damage to a transport infrastructure facility in Kupyansk in the Kharkov region. Ukrainian media reports blasts in the Dnepropetrovsk region.