The East of England Ambulance Service said it agreed with a coroner who said its crew had taken far too long to reach a baby girl in Norfolk.
An inquest heard how a Bella Hellings died after one emergency vehicle got lost and another stopped for petrol as they answered her mother's 999 call.
Paramedics took 26 minutes - more than three times longer than national targets - to get to the Thetford home.
Coroner William Armstrong said the delays by the East of England Ambulance Service were caused by "serious shortcomings", a "catalogue of catastrophes" and a "chaotic response."
Natalie Gray reports.
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