More than 140 officers from Cheshire Police took part in dawn raids to crack down on a well known drug group in Warrington.
Homes in the town as well as Widnes, Cumbria and Humberside were targeted by police this morning, with £142,000 worth of cocaine being seized.
Today's strike - known as Operation Rider - comes following a lengthy covert investigation carried out by officers from the Serious and Organised Crime Unit at Cheshire Constabulary.
Officers arrested ten men in Warrington and one man in Widnes, all aged between 19 and 41, as well as a 23-year-old man from Carlisle in Cumbria. A 28-year-old man has also been produced from prison. Police in Humberside have also arrested two men as part of the operation.
Detective Chief Superintendent Aaron Duggan, the Constabularies Head of Crime, said:
Specialist officers were used to gain entry to the properties and officers are now carrying out detailed searches of all the addresses.
Detective Chief Superintendent Duggan added:
- Operation Rider - Cheshire Police