I knew that my lung had collapsed and soon I wouldn’t be able to breathe. I knew that my abdomen was filling with blood. It was time critical.

Nico and his friends, aged 13, were chasing each other around in the school playground when suddenly Nico's heart stopped. Nico lay on the ground in cardiac arrest, receiving CPR from his teachers.

At work, Matt started to dig down into a drain, but struck a cable, sending a shockwave of electricity through his entire body.

Dave was involved in a road traffic collision while cycling to work. He was hit by and dragged under the vehicle, the front wheel stopping directly on top of his chest.

Working as a firefighter Paul was used to attending life threatening incidents. However, in 2007 he found himself in need of help from his emergency services colleagues when he was hit by a truck.

Whilst waiting for the lights to change on a pedestrian crossing, Aderonke was hit by an out of control car.

During a motorbike ride to work, a car clipped the back of Max’s bike and the 22-year-old was flung into the air, landing on his head.

Sonal was just five minutes from home when she was hit by a car. Such was the force of impact, the 35-year-old was thrown the length of two cars.

Andy was thrown from his motorbike and collided with a sign, suffering a traumatic amputation of his right leg and breaking his ribs and an arm.

When Orhan got off the bus, he was hit by a lorry and thrown 80 feet along the road. From then on every minute made a difference to the 13 year old.