"They had 823 kilograms of onions and 143 kilograms of carrots in the back," Einar Bødker from Norwegian Customs told the TV2 television channel.
It is only permitted to bring a maximum of 10 kilograms of vegetables across the border into Norway without paying duty, and anyway Bødker said he did not believe that the vegetables were for personal consumption.
The Poles claimed that they were on their way back from Christmas holiday in Poland, one to return to a job, the other to look for work.
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The contraband goods have been destroyed, Bødker said.