A police chase ends with a spectacular crash and five trapped teens in the wreckage.

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.

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 major fire breaks out in a haulage depot in Brighhouse and a serious accident at an illegal off-road biking site leads to a rider needing urgent hospital treatment.

A woman fights for her life after being knifed by her former partner, while a teenager on her way to seeing two YouTube stars in a live appearance is felled by a falling tree.

The HART medics race to respond to a major chemical leak which is endangering the lives of thousands of people. There’s a dramatic emergency at an abandoned school after a teenager falls 30ft down the chimney into an underground boiler room. In Leeds, an elderly motorist is run over by his own car and the HART medics fight to free his leg after it becomes trapped around the front wheel.

The start of the new school term leads of a spate of stabbings and a forester is badly injured in an accident involving a chainsaw deep in woods near Keighley.

Team leader Rochers races to save the life of a DIY mechanic trapped under his car after a jack collapses. A waste disposal plant catches fire, spewing poisonous smoke into the air over a housing estate. A sunbathing teenager plunges off a 40ft cliff, and a dispute on a building site ends with a pick-axe embedded in the bonnet of a brand new Range Rover.

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 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.

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.

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.

A horse rider is hit by a car on a country road, leaving both her and her horse with serious injuries. Plus, the centre of Leeds is locked down after a suspicious package is found.

A teenager is found with multiple stab wounds in the street near his home, an amateur tree surgeon is badly hurt when a branch falls on his leg and two schoolgirls are run over.

A car being pursued by police crashes and HART are called to treat a passenger trapped in her seat with serious injuries. Meanwhile, floodwaters swamp a Yorkshire town.

A high speed crash leaves a woman seriously injured and trapped in her crumpled car. Also, a man falls 20 ft through the roof of a Victorian factory.

Yorkshire's HART paramedics race to help a man who has been stabbed in the back with a screwdriver, and there's a fire in a hotel resulting in a desperate search for the people inside.

The HART team are called to join the operation to defuse a bomb found in a house in Wakefield as disposal officers from the Army try to make a safe a lethal IED. In woods near Leeds, there’s a tricky rescue after a BMX rider fractures his spine. There’s a manhunt on the banks of a river in Leeds for a man armed with a knife. In Halifax, a teenager’s arm is impaled on a gate, sparking a complex operation to free him.

Paramedic Kim climbs into a crushed car balanced over a fast flowing river, while services across the Pennines are paralysed when a man plunges from a bridge onto a busy rail line.

A man is shot outside a mosque and paramedics Manny and Tony lead the race to save his life. It’s bonfire night and police come under attack in the inner city and HART must brave fireworks and bricks to reach an injured cop. Paramedic Rochers leads his squad on a long-distance drive to Hull where a man is hurling slates from a three storey building onto police below. Elsewhere, a nurse is trapped upside down in her wrecked car and paramedic Andy must climb in to treat her as firefighters struggle to free his patient without worsening her injuries.

A biker riding without a helmet crashes, and the team launch a desperate fight to save his life as his horrified family look on. A man with a gun barricades himself into a canal boat.

A Lamborghini supercar crashes and bursts into flames leaving two passengers with serious injuries. Also, a patient requiring urgent care leaves the team with an outsized problem.

A man is left with a metal spike impaled in his face after a traumatic incident on a construction site, sparking a huge rescue operation. Plus, medics help a man who was hit by a car.

Featuring a stand-off involving a man wielding a samurai sword in South Yorkshire.