Humberside Police have raided addresses in Selby as part of a wider operation targeting drug dealing and money laundering.
Altogether 11 people were arrested and drugs totalling an estimated £170,000 seized yesterday (Thursday).
As well as the Selby properties, police executed warrants at addresses across Hull and Hessle.
As well as the arrests, officers have successfully recovered £100,000 worth of what are believed to be Class A drugs, £70,000 of Class B drugs, an estimated £60,000 cash, a number of valuable items, high value vehicles, counterfeit tobacco products and two air weapons.
Detective Inspector Andy Robinson, leading the investigation, said: “This was a great result today with a large quantity of drugs taken off our streets and a number of people in our custody whilst we continue our investigations.”