Almost 200 pirate DVDs were seized when police and trading standards officers raided a car boot sale.
Officers targeted the car boot sale at St Philomena's Catholic High School and found 182 pirated Hollywood blockbusters including bootleg versions of Harry Potter and the Goblet of Fire, Pulp Fiction and even illegal versions of flops like Will Smith's After Earth.
Those selling pirate DVDs had the discs seized and were given warnings to help them stay on the right side of the law in future.
Mary Morrissey, strategic director of environment and neighbourhood at Sutton Council, said: "Counterfeit merchandise is not a good deal. It is often of inferior quality and harm the trade of legitimate businesses.
"We believe in a fair borough for our residents and businesses, It is simply not acceptable that people are exposed to these dodgy dealers.
"This swoop has sent a clear message that we won’t tolerate illegal trade."
Police have urged people to contact them if they believe they know of anyone who sells counterfeit goods.
If you are thinking of selling items at a car boot sale, Sutton Council's trading standards department can give advice on what to look out for - contact 020 8770 5070. If you suspect someone is involved in the sale of counterfeit goods, you can call police on 101 or the charity Crimestoppers on 0800 555 111.
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