Critical Incident

A police officer is stabbed in the arm as he tries to help a shopkeeper trapped inside a convenience store with a knifeman.

In Wiltshire, an officer fears for his life when a drunk man turns violent and threatens to kill him. The terrifying ordeal lasts for nearly 20 minutes as PC Mat Baker waits for backup to arrive. Elsewhere, a burglar deliberately drives straight at an officer who is trying to arrest him, breaking his leg, and a paramedic is attacked by a man after she refuses to give him a lift home.

A detective has a chemical thrown in her face as she tries to apprehend a gang of burglars, a police officer is injured as he tries to arrest a man who is threatening to kill officers with a machete, and a paramedic is headbutted by a patient.

PC Hayley Robinson has her ankle crushed after being driven at by a criminal in a car. But after five months of treatment, she's ready to go back to work. Elsewhere, fire crews across the country prepare for Bonfire Night - the worst night of the year for violent attacks on firefighters. And Saturday night revelry ends with a police officer needing stitches after an unprovoked attack.

A paramedic couple faces their worst nightmare when the wife hears over the radio that her husband has been attacked and knocked unconscious by a patient. The Manchester Tactical Vehicles Unit puts their lives in danger daily as they target vehicle crime using high-performance undercover cars.

In Great Yarmouth, an undercover cop chasing down county lines drugs dealers is dragged along the road by a car as he tries to apprehend the driver. In York, there's a shock discovery for PC Rich Farrar as CCTV reveals that the suspected bike thief he just arrested was carrying a large kitchen knife.