A yellow flag, and a special purple flag, have been raised on a beach in Tenerife after a dangerous discovery was made.

Large parts of the Canary Islands are affected by coastal warnings ... avoid swimming on beaches with a red flag, in areas with strong waves and undertow, or where lifeguards and rescue services ...

A yellow flag has been raised at Las Teresitas Beach ... This is not the first time the Canary Islands have encountered these unwelcome visitors. In the summer of 2023, a six-year-old girl in ...