"Qatif unrest that started in 2011" . . . . . . . . . "Saudi Shia civilians" . . "Qatif demonstrations" . . . . . "Iran-backed Shia militants (1980s\u20131990s)" . . . "Unknown" . . . . . . "*Saudi Police" . "Unknown" . . . . . . "*Saudi Arabian National Guard" . "*Organization for the Islamic Revolution in the Arabian Peninsula" . "Qatif conflict" . . . . "Saudi Arabia" . . . . . . . "Qatif conflict" . "*Presidency of State Security" . . . . "*Hezbollah Al-Hejaz" . . . .