Can you hear me OK? http://unisoftinformatics.com/blog/ nizagara safe  The DJ, who broadcast on Radio 1 from 1968 to 1993 and presented Top of the Pops from 1974 to 1984, was the fourth person to be arrested under Operation Yewtree, which was launched following the Jimmy Savile scandal. Other well known figures arrested as part of the investigation have included Gary Glitter, Rolf Harris and Jim Davidson.