Update: 2220 hrs
Billy has been found safe and well. A big thank you to all those who called in with information during the search.
POLICE are asking members of the public to be on the look out for a vulnerable man who has gone missing on a visit to the Lakeside Shopping Centre in Thurrock.
Billy Saunderson, is aged 24, but has learning difficulties and cannot speak.
He became separated from his carer whilst in the food court area of the shopping centre shortly after 2.30pm today.
It is possible he may try to get a bus back to his home in the Wickford area. When Billy went missing he was wearing a light blue jacket, blue trousers and grey trainers.
Billy is 5ft 8in tall and of stocky build. If anyone sees Billy they are asked to call Essex Police on 999 immediately.