No one was injured in the accident which occurred in Bahrain Harbour on Friday, it said. An investigation into the incident has been opened.

The Royal Navy is working with the U.S. Navy in the Gulf region in an effort to protect Red Sea shipping from an upsurge in attacks by Houthi forces based in Yemen.

The Houthis say they acting in solidarity with the Palestinian group Hamas, which is locked in conflict with Israel in Gaza. The attacks have disrupted world trade and raised fears

of supply bottlenecks.

Video on social media showed one boat, the HMS Chiddingfold, reversing into another, HMS Bangor, which was moored, causing a loud crashing noise and Bangor to rock.

Rear Admiral Edward Ahlgren, the Royal Navy's Commander Operations, said in a post on X that nobody was hurt but some damage was sustained.

"I assure you that a full and thorough investigation is already under way and any changes in procedure that could prevent further incidents will be rapidly implemented," he said.

"In the meantime the UK will continue to play a key part in ensuring the safety of merchant shipping in the region."

(Writing by William Schomberg; Editing by Angus MacSwan)