A mother has called for an inquiry following the death of her nine-year-old son because she claims the ambulance was delayed when its satnav broke.

Melanie Carver says her son Corey suffered heart failure brought on by a severe asthma attack while he was getting ready for school.

Though the nearest ambulance station was just a mile and a half away, the 999 crew took 24 minutes to arrive. The target response time is eight minutes.

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