Attackers bomb Ayatollah Khomeini tomb and Parliament; Saudis blamed RNS Fundamentalist Islam Iran Sectarian Violence
The great Sunni-Shia conflict is getting ever closer to the surface The Spectator Fundamentalist Islam Iran Sectarian Violence
Muslim holiday of Ashura brings into focus Shia-Sunni differences Pew Research Center Islam Iran Sectarian Violence
Tehran blames US, UK for deadly Iran mosque bombing Christian Science Monitor Islam Iran Sectarian Violence