A night shift takes a turn for the worse as multiple Darlington crews respond to a category-1 call for a patient in cardiac arrest.

The North East Ambulance Service is struggling to deal with an unprecedented volume of calls. The NHS faces chronic stresses and strains as frontline staff battle an increase in mental health problems, stretched public services and deepening poverty in the north east region.

Staff shortages and a rise in 999 calls stretch the North East Ambulance Service to its limits, meaning only the most critical patients will get an ambulance.

A suicidal patient phones in a bomb threat, and the crews have a very busy St Patrick's Day.

The North East Ambulance Service responds to multiple 999 calls for patients at breaking point and struggling with their mental health.