KYIV/SERHIIVKA, Ukraine—Explosions rocked the southern Ukrainian city of Mykolaiv on Saturday, the mayor said, at the end of a week in which Russian missiles have slammed into an apartment block and a shopping mall in other cities, killing dozens of people.
Air raid sirens sounded in the Mykolaiv region, which borders the vital Black Sea port of Odesa.
“There are powerful explosions in the city! Stay in shelters!” Mykolaiv mayor Oleksandr Senkevych wrote on the Telegram messaging app.
The cause of the blasts was not immediately clear, although Russia said on Saturday it had hit army command posts in the area. Reuters could not independently verify the reports….