11.   Separately, unidentified gunmen shot and killed a Sunni worshipper outside an eastern Karachi mosque, and elsewhere gunmen peppered a Shiite mosque with bullets, wounding six people.

12.   The killing set off widespread demonstrations, including militants setting fire to a Shiite mosque.

13.   There are also important Shiite mosques in the capital Baghdad.

14.   In another firing incident, two mourners were wounded by gunshots at a Shiite mosque in Khanewal district in what police said appeared to be an accident.

15.   In the first attack, a father and his two sons were among those murdered at the Shiite mosque in the Pir Ilahi Baksh area.

16.   It marked the third Friday in a row that violence flared outside Shiite mosques in Bahrain during weekly prayers.

17.   A bomb exploded in the main Shiite mosque in Zahedan several weeks later.

18.   A new wave of unrest began last month when the Sunni-led government banned gatherings at Shiite mosques.

19.   A new wave of unrest erupted this year after the authorities banned political sermons in Shiite mosques.

20.   A new wave of violence broke out this year after the authorities banned political meetings at Shiite mosques.