RIYADH: Police officers in Riyadh have arrested two Pakistani residents for promoting the drug methamphetamine, or more commonly known as shabu.  Legal measures were taken against them, and they were referred to the competent authority, the Saudi Press Agency reported.  The security authorities said all information available to citizens and residents about any activities related to drug smuggling or drug promotion shalll be reported to police, by calling the numbers (911) in the regions of Makkah Al-Mukarramah, Riyadh, and Al-Sharqiyah and (999) in the rest of the regions of the Kingdom.