Update: The Prison Service said: “Prisoner Rocky Stenning died in custody and as with all such deaths there will be an independent investigation by the Prisons and Probation Ombudsman.”
YT understands that a man found dead in Chelmsford Prison is from Tilbury.
An Essex Police spokesperson said: “We were contacted just after 2.30pm on Thursday, July 19, with reports of the death of a prisoner at HMP Chelmsford.
“The man, aged in his 20s, was sadly pronounced dead at the scene.
“His death is currently being treated as unexplained, but not suspicious and a file is being prepared for the coroner”.