Moroccan security services seized, Saturday at the Tangier Med port, 13 tons and 750 kilograms of cannabis resin (hashish), says the national police (DGSN) in a statement. Search operations conducted with the help of police sniffer dogs have led to the discovery of drug shipments in a hollow of an international transport semi-trailer truck intercepted on one of the port's docks, the same source adds. The prefectural service of the Tangier judicial police is continuing its research and investigation under the supervision of the competent prosecutor's office with a view to arresting all persons involved in this case, the statement notes.