The Mayor of London Boris Johnson and Metropolitan Police Service Commissioner Sir Bernard Hogan-Howe is joining members of the Dalston Safer Neighbourhood Team on their local beat to launch the Mayors Police and Crime Plan.
The plan, drawn up by the Mayors Office for Policing And Crime (MOPAC) following an extensive public consultation, sets out the future for neighbourhood policing in the capital and the Mayor's crime prevention strategies for the next four years.
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Delays, diversions and cancellations caused chaos to services on South West Trains which were hit by signal failures in south west London.
During the attack Ione Wells' head was smashed against the pavement, her attacked grabbed at her chest with such force that it tore her bra.
The 17-year-old pushed her to the ground and smashed her head against the pavement, before grabbing at her chest.