The PSNI are questioning five people in connection with an investigation into an an alleged counterfeiting racket in the North.
Houses in Belfast, Antrim and Down were raided this morning and CDs, DVDs and other materials used to manufacture fake goods were seized.
The five arrested include a teenage boy and girl as well as three men.
Officers searched four houses in east Belfast and properties in Larne and Bangor. Police were unable to confirm initially if any paramilitary involvement was suspected.