Drones hit naval ship in Russian port, says Ukrainian official

The Olenegorsky Gornyak warship moored at a harbour of Novorossiysk, Russia, on July 30 (AP)

Ukrainian sea drones have attacked a major Russian port on the Black Sea, damaging a naval ship, according to a Ukrainian official.

It is the latest in a series of strikes inside Russia as Kyiv vowed to bring the fight home to them.