Pakistan's Anti Narcotics Force said in a statement Friday that it seized 3,000 kilograms (6,600 pounds) of hashish transported from Afghanistan and headed for Belgium. The drugs were packed in cartons and concealed in white towels as a cover for export.
Pakistani authorities also seized 1,000 kilograms (2,200 pounds) of cocaine being smuggled from South America in a container.
The statement said three foreigners were arrested. It did not give their nationalities.
The value of the drugs was estimated at between $30 million and $46.5 million.