The target was illegal scrap metal dealers, but drivers in one area of Reading were caught up in a police crackdown on motoring offences.
Operation Precious led by Thames Valley Police went on for five hours in the town. Penny Sylvester went to find out more.
More top news
Monday night's weather for the west of the region
Monday night's weather for the east of the region
Michael Danaher, 50, has been sentenced to life in jail for murdering an antique book dealer - to steal a rare Wind in the Willows copy.