Customs officers have arrested three men, aged 33 to 41, and seized 3.7 million illicit cigarettes.
The goods were seized at Man Kam To Control Point, and in operations in Kwai Chung and Tai Po, on January 3 and 4.
The cigarettes are worth $10 million, and have a duty potential of $7.1 million.
Call the Customs hotline 2545 6182 to report suspected illicit cigarette activities.