Sky Witness Friday

A chef fights for his life following an asthma attack, and a boy is left in a critical condition after a metal fence falls on his head

A mother-of-three suffers an extreme reaction to antibiotics, and a Teesside motorcyclist's face is badly injured in a collision with a car

Follow the work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders

Follow the work of the New Zealand Customs agents in their quest to prevent illegal items passing through the country's borders

A man from Pakistan claiming to be a student is refused entry into Britain, while a team in London raids a cleaning company and arrests two suspected illegal immigrants

The coastguards come to the rescue when a boat containing migrants from the Dominican Republic becomes stranded at sea

Fly-on-the-dashboard documentary showcasing outrageous road disasters, captured in video form by drivers' in-vehicle dashboard cameras

An impact unit breaches doors with a flash bang, uncovering fentanyl, crack, guns and cash

Maggie and OA go on a mission to try and find a couple whose spree of armed robberies resulted in the death of a police officer

The team uncover the truth behind the murder of an investigative journalist, and the case forces Maggie to search for answers in relation to a traumatic event from her past

Captain Andersen shakes up the pairings, putting herself with a nervous Chen and Nolan with Sgt Grey - on the very day that Nolan and Grey's kids come to see their parents at work

A countdown of the most incredible, hilarious and spectacular real-life crashes in the world - all caught on dashcam

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports as customs and immigration officers tackle criminals

Documentary following the work of law-enforcement officers from sheriff and police departments across the United States

Gaffney is thrown into chaos when the result of a prison riot overwhelms the emergency department, while Goodwin and Charles prepare for a high-stakes board meeting

Severide is forced to reopen a cold case buried for decades, while a routine call hits too close to home for Novak

Imani struggles to maintain her composure when a new lead reignites her investigation into her sister's disappearance

The team sets out on the search for Nolan's former mentor Officer Hawke, who has gone on the run after assaulting a man. Tim Bradford needs help predicting the moves of criminals

Maggie and OA are called in to assist in the search for a senator's daughter who has been kidnapped and held at ransom, and must dig into the family's history for clues

Maggie and OA are on the hunt for a ruthless gang of thieves who have been dressing as NYPD officers to target armoured trucks

Documentary following the work of Ireland's border force officers as they fight to stop gangs of organised smugglers from bringing in drugs, money, guns and cars

Police officers use unmarked cars fitted with on-board video cameras, offering an insight into vehicle crime and how it can be prevented

Documentary following Australia's traffic enforcers, with officers facing high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers

Documentary following Australia's traffic enforcers, with officers facing high-speed chases, defiant hooligans, explosive crashes and out-of-control drunk drivers

Documentary series which follows a rapid response team of police officers as they tackle crime