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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The Anglia region has experienced the relatively unusual phenomenon of snow during a thunderstorm as temperatures dipped below -4°C
Early showers clearing east, then dry and largely sunny. Cold.
The mother of missing RAF Serviceman Corrie McKeague says she "now knows" that her son is not in a Cambridgeshire landfill.