Young people and celebrities have come together at a conference in Canary Wharf to try and find new ways to tackle bullying.
Jodie Marsh and dance duo Twist and Pulse are among those taking part.
Martin Stew was there and also spoke to Anti-bullying Ambassador Georgeluca Lopez Nunn.
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The 'Theatres at Risk' register lists venues across the country that are most likely to be lost and calls for local authorities to intervene
The assault took place after a woman got on the train from Oxford Circus station with three children aged between two and five.
The sex offender was reportedly transferred from HMP Wakefield in West Yorkshire to HMP Belmarsh, south-east London.