Russia unleashed intense overnight drone and missile attacks that officials said damaged critical port infrastructure in southern Ukraine, including grain and oil terminals, and wounded at least 12 people.

Russian-installed authorities in the Crimean peninsula have reported shooting down a cruise missile near the city of Kerch and briefly suspending traffic on the Kerch bridge that links the annexed territory to Russia.

The Moscow-appointed leader of Crimea says the region is on guard for what may be an impending Ukrainian counteroffensive.