Operation Yewtree detectives have arrested a 79-year-old man on suspicion of sexual offences, Scotland Yard said on Tuesday.
The man, from Essex, was taken into custody in the local area by officers working on the investigation into historic sex crimes, launched in the wake of the Jimmy Savile scandal.
Police said the man fell under the strand of the investigation labelled "others".
"He was taken into custody locally and subsequently bailed to return pending further inquiries, next due on a date in early December," a Metropolitan Police Service spokesman said.
He is the 19th person arrested under the Yewtree investigation.