The Health Protection Agency (HPA) has been notified of an outbreak of food poisoning linked to an establishment in Havering. One person has died after being admitted to hospital.
Around 30 people have reported symptoms of gastrointestinal illness after eating at the venue on Christmas Day.
Laboratory testing has confirmed the presence of Clostridium perfringens bacteria in a number of samples submitted by those experiencing symptoms, including the patient who died.
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