A police helicopter and historic police vehicles will attend a free fun day to teach the public about the emergency services.
A police helicopter, dogs unit and a fire engine will all be at Whitchurch Playing Fields, in Stanmore, on Friday from 11pm to 4pm.
There will be different teams from across the Metropolitan police, including a riot team, cycle team, dogs unit and historic vehicles.
There will also be teams from the London Fire Brigade and the London Ambulance Service.
The day aims to give people the chance to find out more about the capital's emergency services and how they serve the people of the borough.
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