Racing at high speed through the open desert, competitors in the Abu Dhabi Desert Challenge are never far from a potential incident. But thanks to Dr Sean Petherbridge and his team, help is only ever a few minutes away.
Paul Johnson and his wife Becki set out for a motorbike ride in the picturesque Delamere Forest in Cheshire. It would be a day that would change their lives, but it was also the start of a journey of purpose.