Dorset and Somerset Air Ambulance

The challenge involves swimming 1,000 metres in the highest lakes in England, Scotland and Wales.

Martyn Harris is raising money for Dorset and Somerset Air Ambulance with a 24-hour walk.

Martyn Harris expects to cover about 60 miles in 24 hours to raise money for his local air ambulance.

Dorset and Somerset Air ambulance critical care team brings the hospital to the patient in remote areas.

Dorset and Somerset Air Ambulance currently only flies for 19 hours a day.

Glastonbury Tor, Corfe Castle and Wellington Monument are being lit up for air ambulance week.

The ride across Somerset raises money for an air ambulance charity in memory of a local firefighter.

Dorset County Hospital and Dorset and Somerset Air Ambulance uses £13,500 for a safer landing site.