The East of England Ambulance Trust has failed part of their latest Care Quality Commission inspection.
Now MPs say the trust now have a week to come up with an action plan to improve ambulance response times.
Suffolk Coastal MP Therese Coffey says the Chair of the Trust Maria Ball must consider her position.
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It is half a century since the dismembered body of a 17-year-old boy was found dumped in two suitcases on farmland in Suffolk.
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The RSPCA is appealing for information after a starving dog with a severe skin condition was dumped in a Northamptonshire village.