The Met Police is re-thinking the way it deals with cases involving vulnerable people, by drafting in the help of specialist nurses.
Officers will work alongside medical teams in cases involving people suffering from mental health problems, to make sure they get the specialist care they need.
Today, Marcia Rigg whose brother Sean died in police custody, welcomed the changes - but said they don't go far enough.
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Police were called to Kilburn High Road at 5.20pm after reports of a shooting.
In just 24 hours the offer was retweeted more than a thousand times on Twitter.
What a year it's been full of ups and down, turmoil and change and it seems events here in London have got the entire nation talking.