article_snippet: Police have not named the individual who was arrested today, but did say that the man was 'not new' to the Operation Yewtree investigation.
article_snippet: Operation Yewtree is the police probe set up in the wake of disclosures that Jimmy Savile Jimmy Savile was a prolific paedophile.
article_snippet: Gary Glitter, left, and Rolf Harris, right, have both been convicted under Operation Yewtree .
article_snippet: A Scotland Yard spokesman said: 'This is not a new individual to Operation Yewtree.
article_snippet: This is not an 18th individual.'
article_snippet: Last month, Gary Glitter, who was the first person to be arrested under Operation Yewtree, became the fourth high-profile figure to be convicted under  an award-winning ITV investigation.
highlights_snippet: Scotland Yard said individual arrested was 'not new' to Operation Yewtree .