Dave Lee Travis' car was mobbed by photographers as he arrived at his home in Leighton Buzzard.
The 67-year-old was bailed this evening following an earlier arrest on suspicion of sexual offences.
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Wintry scenes across the UK this late in April have not been seen since the mid-1980s.
The Labour leader will also announce an inquiry into anti-semitism and other forms of racism to be chaired by Shami Chakrabarti.