Karachi:A passenger trying to smuggle 900 grams of heroin to Saudi Arabia was arrested at Karachi airport on Thursday. According to Customs information, passenger Naimatullah had hidden heroin in the suitcase and was smuggling it to Saudi Arabia on a foreign airline’s flights to Riyadh via Sharjah. The customs team checked the passenger’s suitcase and 900 grams of heroin hidden in the inner pipes of the suitcase. The passenger was handed over to the investigation team for further interrogation into the matter.