1.   Although most Arab countries have Sunni majorities, significant Shiite minorities live in Afghanistan, Iraq, Pakistan, Saudi Arabia and Tajikistan.

2.   Although a large community in Lebanon, Shiite Muslims are a tiny minority in Egypt, where the Sunni majority holds sway.

3.   Although most Arab countries have Sunni majorities, significant Shiite minorities live in Afghanistan, Pakistan, Saudi Arabia and Tajikistan.

4.   Made up mostly of disaffected clergy and professionals from the Sunni majority, the group has demanded respect for human rights and a more thorough application of Islamic law.

5.   Most are Shiite Muslims, who feel distinct from the Sunni majority.

6.   The Sunni majority and the Shiite minority have historically had good relations in Pakistan.

7.   The Saudi ruling family comes from the Sunni majority.

8.   The Sunni majority and the Shiite minority historically have had good relations in Pakistan.

9.   The Sunni majority and the Shiite minority have historically had good relations in Muslim Pakistan.

10.   The residents say the Taliban, mostly Sunni Muslim majority Pashtuns and enemies of the Shiite Muslim minority Hazaras, carried out a scorched earth policy.