Assistant Commissioner Mark Rowley from the Met said: "We've taken a fresh look at policing London and London's obviously a world city.
"The recent census has shown what a big proportion of people in London come from far-flung places...It's important to us to be able to deal equally well with them as local offenders."
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The family of murdered teenager Jimmy Mizen have held a community event in his memory to raise money for the foundation in his name.
A drawing made for one of the famous paintings from the Victorian era - Flaming June - has been rediscovered after more than 100 years.