The work of NHS emergency response teams. Staff are scrambled to a block of flats after an explosion causes multiple casualties and a driver is trapped after his lorry hits a tree.

The team joins the search for a missing aeroplane pilot and passenger. A man digging for antique bottles in a South Yorkshire tip is buried alive, leading to a desperate fight to save him.

A student climber plunges from a cliff face in Wharfedale and the team fears he has broken his neck. The medics are also called to treat the victim of a stabbing at a meat plant.

The medics spring into action when a cyclist plunges down a cliff in a freak accident. A homeowner's booby trap, designed to deter burglars, sparks a major rescue operation.

A landslip at a construction site traps a worker under tons of earth. Reports of a riot at a school come in and medic Alex must lead the operation to treat the injured.

A car crash victim has to be put into an induced coma at the roadside. Andy is called in to stand by as bomb disposal experts deal with a mortar dating back to the Boer War.

The response teams rush to save the life of a 21-year-old man who has been shot twice in the chest at a Doncaster pub. Another man has a seizure in the cab of his tipper truck.

A doctor on his way home from work is left fighting for his life after a head-on collision with a truck. Leeds paramedic Chris is called to a motorcyclist who has been hit by a taxi.

The teams stand by for casualties as police launch an armed raid on the home of a wanted man. Meanwhile, a minibus carrying children with special needs is in a collision with a stolen car.

A rescue operation is launched after a DIY enthusiast leaves a trap-door open and his partner falls into the cellar. A student captures his dad's mountain bike accident on camera.