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."
More top news
Botanique in Stoke Newington, east London, has around eight pieces of wood around a foot long for customers to hang on their walls.
The mayor, on a Brexit-themed visit to Paris, said he had not given up hope of securing a system of 'London only' work permits.
The dog, which is not a breed prohibited under the Dangerous Dogs Act, attacked its owner in Wood Green last week.