Davina the dolphin has successfully been released into the sea and is "safe and well", an RNLI spokeswoman has told ITV News.
Once she had been stretchered onto a lifeboat, Davina was transported from the sandbanks of the River Dee to deeper waters at Rhyl Flats.
Watch the Flint and Rhyl RNLI lifeboat volunteers and British Divers Marine Life Rescue take Davina to safety:
More top news
Police are appealing for news of Connor Jarvis, 19, after he did not return from a solo holiday in Marrakech as planned.
The Leicester City ace said he "felt himself starting to go" when he saw his bride on their magical wedding day last week.
The high-tech new notes due to be released in September have one major drawback - they can stick to each other, the bank has said