Officers from Operation Yewtree - the investigation of sex abuse claims surrounding Jimmy Savile and others - arrested the suspect at 7.15am today at an address in Cambridge.
A Scotland Yard spokesman said a man was arrested on suspicion of sexual offences and has been taken into custody locally.
More top news
Rain for the northwest, dry and cold elsewhere.
Rejecting a showdown with Ed Miliband, David Cameron's terms sent to broadcasters reveal his deep dissatisfaction with the debate proposals.
The owners of what some people claim to be the 'Welsh Holy Grail' are offering a cash reward for the ancient artefact's safe return.