A suicide bomber detonated his explosive vest in a predominately Shi'ite Muslim district of Baghdad on Tuesday, killing at least nine people and wounding 30, police and medical sources said.
Saudi Arabia's execution on Saturday of Sheikh Nimr al-Nimr, an outspoken Shi'ite cleric who called for the overthrow of the Saudi royal family, triggered international condemnation and set off protests throughout the Middle East.
In a significant escalation of tensions, Saudi Arabia cut ties with Iran and expelled its diplomats on Sunday (Jan 3), a day after its embassy in Teheran was attacked to protest Riyadh's execution of prominent Shi'ite cleric Sheikh Nimr atl-Nimr.