An explosion has occurred in Odessa, according to the head of the city Gennady Trukhanov.
"An explosion is heard in the city," the mayor said in a statement.
Details are not given.
Currently, air raid sirens are operating in Dnipropetrovsk, Kirovohrad, Mykolaiv, Odessa, Poltava, Sumy and Kharkiv regions of Ukraine.

Naftogaz of Ukraine suspended work after strikes Russian Armed Forces
Medvedev — "stupid rat" Kallas: Your Estonia was also part of Russia
The countries that have committed the most serious crimes against humanity are named
"Prince Vladimir Svyatoslavovich" surprised the Russian military with a design
The last gas is being squeezed out of the storage facilities of the Netherlands: it won't seem enough to the whole EU
Peskov and Zakharova, heroin with fentanyl, Latvia and the wolf: morning coffee with EADaily
The new norm: Kiev commits acts of aggression against NATO countries