Police investigating the Jimmy Savile abuse scandal are dealing with around 300 alleged victims, Scotland Yard revealed.
Commander Peter Spindler said officers are following more than 400 lines of inquiry linked to the victims, of whom all except two are women.
He said investigators have so far spoken to 130 people who have come forward, and 114 allegations of crime have emerged. Officers are using a "triage" approach, first making contact with victims by phone to get initial details of their allegations, Mr Spindler said.
He told reporters that most of the allegations are linked to Savile, but some involve others who may have acted with him.
The inquiry will be a "watershed" moment in the investigation of child abuse, he said.
Nobody has yet been arrested or interviewed under caution as yet, but the force is "preparing an arrest strategy".
The Commander said: "There's Savile on his own, and that's the vast majority of what we're being told about, there's Savile and others. And it's the others, if they're living, we can look at them. Then there is a third category which is 'others'." Officers are trying to contact victims as quickly as possible, but for some it is the first time they have spoken about the allegations, Mr Spindler said.
Mr Spindler said Savile was "undoubtedly" one of the most prolific sex offenders of recent history. He said that the weight of evidence against the late DJ was overwhelming. He said: "We have to believe what they are saying because they are all saying the same thing independently."
He said allegations reported that doctors in hospitals had been involved in abuse "hadn't come through to us at the moment".
Mr Spindler said a retired officer had been in touch to say he had investigated Savile in the 1980s while based in west London but he had not had the evidence to proceed. He said he believed the allegation was of an indecent assault on BBC premises but officers have still not found the original file.