Harrow council has vowed to "seize goods" as they crack down on illegal street trading in the borough.
Greenhill Police and Harrow council officers carried out visits in Burnt Oak Broadway and Harrow town centre.
According to the council, two businesses were forced to removed unlicensed tables and chairs, one male was found to be selling perfumes out of a bag, which subsequently were confiscated and two charity collectors were moved on for not having a Street Collection Licences.
Cllr Graham Henson, portfolio holder for environment, said: “We fully support local businesses and entrepreneurs who want to trade or set up in Harrow.
"What we don’t support are those who flout the rules to operate illegally, scam shoppers into buying counterfeit or dodgy goods and block pavement access for shoppers .
"It is simply unfair on those operating legitimately.
"Our message is clear, if you are found to breaking the law we will take the necessary actions including seizing goods and prosecuting offenders.”
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