Police have recovered these knives after a footchase through Harrow town centre.
The seizures come as part of the Metropolitan Police 's Operation Sceptre, in which more than 500 arrests and 400 weapons have been taken off the streets in the latest phase alone.
Officers recovered an amount of cannabis following the chase.
As part of Operation Sceptre, knife bins can be found throughout London as part of the Met's effort to take knives off the streets.
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