An explosion was heard in Sumy on Friday, air defence was in operation.
The head of the Sumy RMA, Oleksiy Drozdenko, reported this on Telegram .
"The explosion that Sumy residents heard was the work of air defence!" he reported.
Earlier, at around 4:17 p.m., an explosion was heard in the city.
Before that, the Air Force reported the launch of CABs in the Sumy region.