Pakistan Customs Staff at Islamabad Airport has seized fine quality white heroin powder from accused Muhammad Siddique of Khushab who was travelling to Madina via Doha through Qatar Air, Flight no QR 633. The value of the seized heroin in international market comes to Rs 20 million or two crore, sources said. Heroin was artfully concealed in his suit case cavities, false roof, bottom and iron handle. The accused was arrested and criminal case registered under Customs Act. The investigation is under process by the Customs department.