Ukraine’s Air Force said ​late on Sunday that the public air raid alert app had ‌been hacked.

The ‌app ​for ‌a ⁠short ​time showed ⁠Kyiv and other areas subject to a nuclear ⁠alert. But the ‌abnormality ‌later ​disappeared.

“The ‌air alert ‌app appears to have been subjected to ‌enemy influence,” the air force ⁠said on ⁠Telegram. “There is no radiation threat! Stay calm and follow our updates on our channel!”