Paramedics have revealed the horror of how delays mean they arrive to find dead patients they are too late to save.
Hard-pressed 999 workers say they are routinely confronted by relatives demanding to know why their loved ones have been lost.
Ambulance workers will be holding their first national strike in more than 30 years starting on Wednesday. Nine of the 10 ambulance services in England and Wales will be affected, as crews who are members of the GMB, Unison and Unite unions head to picket lines.