One of the women, identified as DSD, was the first of Worboys' victims to make a complaint to police in 2003.
She told ITV News that she felt guilty; if police had believed her, no more women would have been sexually assaulted.
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More than a tenth of the Piccadilly Line train fleet is out of action because of emergency repairs to damaged wheels.
Rows of students stood and turned their backs before filing out of the lecture theatre.
Effie the endangered Western lowland gorilla has given birth to a healthy baby boy at London Zoo.