Allison Saunders, Chief Crown Prosecutor for London, said she welcomed the We Believe You campaign launched by Mumsnet to provide support for victims of sexual attacks:
Rape and sexual assault are dreadful crimes and ones that are often difficult for someone to report because of fear, shame and embarrassment. As the Mumsnet survey shows, victims can also be reticent to come forward for fear of being demonised in court and even in the media.
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Police said it was not clear whether anyone was still inside the store.