There have been claims that the justice system is failing people with mental illness, after research found they are three times more likely to be victims of crime.
Research by London universities found people with mental illness often felt they weren't believed when they reported crimes to police. Some were even left feeling they were to blame.
Our Senior Correspondent Ronke Phillips reports.
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David Cameron said the Met proved it can "do more with less" and declined to criticise the Mayor of London for his water cannon spend.
A group of disabled activists threw toys and balls at him as he entered the conference.
A wet start to the week and the unsettled weather is set to continue over the next few days.