Critical Incident - Season 3

In a bid to protect his colleagues from a man wielding three knives, a police sergeant in Bristol activates his taser. A Yorkshire paramedic is threatened with a gun when he's called out to a house, and Warwickshire Police officers undertake advanced driver training.

In Wolverhampton, two paramedics are on a long road to recovery after they are both stabbed while on duty. A rookie police officer in Wellingborough rescues a woman from a house fire. In Southampton, a brave police officer risks his life when he jumps into the sea to save a girl from drowning.

A West Midlands police officer is the victim of a brutal assault when he follows a suspect into a storm drain. Two paramedics are attacked by an intoxicated man in the back of their ambulance, and a Northampton PC works hard to tackle knife crime in the city.

In Lancashire, a police sergeant receives life-changing injuries when he is the victim of a brutal attack, but he's determined to return to work. In Northamptonshire, a police dog comes to the rescue when his handler faces a dangerous car thief, and in Bristol, a man goes on a knife rampage in a busy high street.

In Kent, an officer and his police dog chase down a criminal. A brave PC confronts an armed robber who entered a restaurant with a knife, and a firefighter in Leicestershire is assaulted when he tries to put out a garden fire.

In Kent, a police sergeant puts his life in danger when he rescues a man from a house fire, while in Bristol, two cops wrestle an armed robber to the ground. In Oxfordshire, after being assaulted by a man he was trying to help, a paramedic has an arranged meeting with the offender.

In Derbyshire, a brave officer puts his life in danger when he tries to stop a dam from bursting. In south Wales, a paramedic is assaulted while on duty, and we see how brazen armed robbers livestream on social media as police give pursuit.

In south Wales, a man threatens two police officers with a gun when they visit his home. In Kent, a young call handler uses her training to de-escalate an extremely dangerous situation where a man is threatening a family member with a knife. Elsewhere, police chase down ram-raiding thieves.

A Gloucestershire police officer responds to a gas leak and performs CPR on a teenage boy. With attacks on firefighters at an all-time high, we follow Humberside Fire and Rescue on their busiest night of the year, Bonfire Night.

In Manchester, plain-clothed police officers chase a gunman through a residential area. A police officer sustains injuries that put his career in jeopardy when he's involved in a horrific car accident. In Northampton, firearms officers are called out when a man arrives at a police station claiming he has a bomb.

A West Midlands police officer receives life-changing injuries when a man viciously bites his finger. With the help of his support dog Holly, a PC who has been diagnosed with PTSD helps other sufferers, and we follow Leicestershire Fire and Rescue as they carry out training at an airport.

A Warwickshire police officer uses his advanced medical training to save the lives of two stab victims, and a mountain bike paramedic receives head injuries when he's violently attacked in Manchester city centre. With assaults on ambulance workers at an all-time high, stab vests are trialled in Wolverhampton.

A paramedic experiences mental health issues after being assaulted but learns how to help others who are also suffering. In North Yorkshire, two officers from the roads policing unit take a hit from a car thief who is desperate to escape. The West Midlands Drone Unit demonstrates how their high-tech equipment plays an essential part in today's policing.

When a woman is stabbed in Coventry, a police officer uses his first aid skills to help save her life. We find out what it takes to become a police horse in the Avon and Somerset mounted section, and a specialist task force tackles crime in the Greater Manchester area.

It's a busy few hours for Avon and Somerset police officers on the night shift in Bristol, and a North Wales PC talks about the difficulties faced as a visible minority in the force. With assaults on police officers at an all-time high, we examine how anything can become a weapon in the wrong hands.