We are very sorry that to hear of this sad death and our thoughts are with the family at this time.
Havering Council is currently investigating a food poisoning outbreak along with the HPA.
Our initial findings indicate that this seems to be a serious but isolated incident and the venue is cooperating fully with the investigation.
Our officers conducted a second site visit yesterday to gather further evidence and statements from employees.
More top news
The entertainer was held for the murder of Stuart Lubbock, who was found dead in his swimming pool in 2001, but never charged.
Although the diamond was believed to be cut in the 19th Century, its history and how it arrived at the car boot sale is unknown.
The former entertainer, who was released from prison on Friday, is accused of indecently assaulting three women in the 70s and 80s.