FURTHER warnings over the dangers of swimming in rivers and reservoirs have been issued after the death of a teenager in the Yorkshire Dales.

Emergency crews were involved in trying to save the life of an 18 year old after the tragedy on the hottest day of the year so far.

It's understood the youngster got into difficulties while trying to swim or cross a wear in an area around Linton Falls on the River Wharfe near Grassington on Friday evening. Emergency crews were called including the called the Upper Wharfedale Fell rescue Team.

North Yorkshire Police said they were contacted at 7.40pm with a report that an 18-year-old man was in difficulty in the water at Linton Falls.

They said: "Members of the public were reported to be attempting to move the man to safety and providing lifesaving assistance. Officers arrived at the scene at 7.55pm and a local Police Community Support Officer provided CPR until Yorkshire Ambulance paramedics arrived shortly after.

"Despite the efforts of the emergency services at the scene, the man sadly died. A file has been prepared and passed to the Coroner."

After the failed rescue Dales Fire crews warned: "The falls and river at Grassington through to Linton and Burnsall is beautiful, it can be tempting on hot days to take a dip, but please beware of the hidden dangers in moving cold water."

Fell rescue volunteers said 14 team members took part in the two-and-a-half-hour rescue attempt.

North Yorkshire Fire and Rescue Service said three crews and a water rescue team from Ripon were called to the scene.

Martyn Hughes, a watch manager with North Yorkshire Fire and Rescue Service added: "Despite frantic efforts by many, we were unable to save the young man. Thoughts very much with family and friends. Sadly another water-related death at one of our natural beauty spots."

Friday's temperatures which reached 37.8C at London's Heathrow Airport made it the third hottest UK day on record.With warmer weather due at the end of this week emergency services are appealing to residents and visitors to take extra care around deep and fast flowing water and be aware of how cold rivers, reservoirs and lakes can be.

The 18 year old from Bradford has not been named.