A woman who gave evidence against Dave Lee Travis denied that Operation Yewtree has failed and claimed that it gave many people "a voice."
Asked whether she thought it was possible to secure a historic sex abuse conviction, the woman said:
Travis, 68, was found not guilty of 12 indecent assault charges and the jury at London's Southwark Crown Court failed to reach verdicts on two other charges.
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The shadow home secretary will tell the Labour conference the Tories have pandered to anti-immigrant sentiment and set "bogus" targets.
In an open letter to Jeremy Corbyn, senior Labour figures said Labour needed to present an alternative to the Tories' "destructive Brexit".
Six people have been injured and a man has been arrested after an alleged noxious substance attack in east London.