Thousands of people will take to the waters around the UK over the festive season at organised swims that have been held for decades.

But those going it alone may want to heed Maritime and Coastguard Agency warnings not to rely on AI tools when planning outdoor activities as it can make mistakes.

The advice comes after two people became stranded on Sully Island, near Barry, after ChatGPT gave them the wrong tide times and they had to be rescued by the coastguard.

The warning echoes advice from a top tech industry chief not to “blindly trust” everything AI tells people.