A 53-year-old man arrested in Hampshire in January, as part of Operation Yewtree - the police investigation prompted by the Jimmy Savile abuse scandal - has been told no further action will be taken against him.
Referring to both the 53-year-old and Jim Davidson, the CPS said there was "insufficient evidence for a realistic prospect of conviction".
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The boyfriend of the 25-year-old victim is in police custody following a manhunt in Arctic conditions of -30C.
Some dense fog is likely in the southeast, whilst brighter breaks are possible across eastern Scotland, northern England and north Wales.
When asked if he was joking or not, Mr Biden paused briefly before saying: "I’m not committing not to run. I’m not committed to anything."