999: On the Front Line - Season 4

In Birmingham, paramedics treat a man having a heart attack. In Coventry, a woman mysteriously collapses. And in Worcester, a baby is struggling to breathe.

West Midlands paramedics treat a man who has taken a heroin overdose, a 73-year-old man with slurred speech, and a toddler with breathing difficulties.

Paramedics treat a man who's been found unconscious outside Birmingham Crown Court, a patient with severe headaches and a biker with a shattered leg

Paramedics treat a woman in a hotel who's about to give birth, a two-year-old boy who's struggling to breathe and an elderly man who's had a blow to the head.

Paramedics treat a woman with brittle bone disease, a young man on the verge of a diabetic coma and a man who they have to detain under the Mental Capacity Act.

Paramedics treat a 60-year-old patient with severe chest pains, a suspected drunk driver who's crashed his car, and an elderly man who's collapsed at home.

Paramedics treat a woman with a suspected ectopic pregnancy, a man who has collapsed in his bedroom and a four-year-old boy with a rash and breathing problems.

Paramedics treat a teenager with suspected meningitis, a man with diabetes and dangerously high blood sugar levels and a man with a suspected swollen artery.

A recovering alcoholic rings for help with her withdrawal symptoms, and a 10-year-old girl suffering from chest pains is discovered to be taking anti-psychotic medication.

A paramedic heads to a serious traffic collision where a truck has overturned, while others deal with one of the most challenging emergencies - a cardiac arrest in the street.