The 83-year-old was first interviewed under caution on November 29 after attending a south London police premises by appointment.
He was then arrested on March 28, two days before his 83rd birthday.
Rolf Harris has been arrested by police investigating allegations of sexual abuse
Scotland Yard said: "An 82-year-old man from Berkshire was arrested by officers on Operation Yewtree on suspicion of sexual offences. He has been bailed to a date in May pending further enquiries. The individual falls under the strand of the investigation we have termed "others"."
However The Sun named him today and other news outlets followed.
It is understood Harris denies any wrongdoing.
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