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
Heavy showers set to spread into western areas tomorrow.
Andy Murray is Britain's last hope of a 2015 Wimbledon win after overcoming an apparent shoulder injury to beat Italy's Andreas Seppi.
New Tour de France time-trial record set after Australian Rohan Dennis raced into the lead during Stage one of the competition.