An explosion was heard in Odesa, the mayor of the city, Hennadiy Trukhanov, said, UNN reports.
Details
"An explosion was heard in the city!" Trukhanov posted on Telegram.
Prior to that, the Ukrainian Air Force reported a "threat of ballistic missile use from Crimea, in the areas where an alert has been declared.
Odesa and a number of other regions are on air alert.