21.   Many neighborhood residents blamed the Sunni group, Sipah-e-Sahaba, or Guardians of the Friends of the Prophet.

22.   Many people were blaming the militant Sunni group known as the Guardians of the Friends of the Prophet.

23.   Militant Sunni groups are battling Shiite Muslim extremists in a conflict that has killed dozens in recent months.

24.   Police officials said they suspected a militant Sunni group ordered the killings as revenge for one of its activists who was gunned down last week.

25.   Shiite leaders have blamed the Sipah-e-Sahaba, an extremist Sunni sectarian group, for the killing.

26.   Sunni groups accuse neighboring Iran of helping the Shiite extremists, while Shiite groups blame Saudi Arabia of funding the Sunni militant organizations.

27.   Sunni groups blame Iran for helping the Shiite extremists, while Shiite groups accuse Saudi Arabia of funding Sunni militant organizations.

28.   Sunni militants blame Iran for supporting extremist Shiite organizations, while Shiite Muslim activists accuse Saudi Arabia for helping Sunni groups.

29.   Some radical Sunni groups want Shiites declared non-Muslim.

30.   Sunni groups accuse neighboring Iran of helping the Shiite extremists, while Shiite groups say Saudi Arabia is funding the Sunni militant organizations.