CNN's Jomana Karadsheh, Mohammed Jamjoom, Salma Abdelaziz, Barbara Starr, Ashley Fantz and Elise Labott contributed to this report.

CNN: SHARE THIS

CNN's Yousuf Basil, Salma Abdelaziz, Mohammed Jamjoom, Elise Labott, Faith Karimi, Joe Sterling, Hamdi Alkhshali, Ivan Watson, Brian Walker and Matthew Chance contributed to this report.

CNN: SHARE THIS

CNN's Mohammed Lazim reported from Baghdad, Salma Abdelaziz and Yousuf Basil wrote the story in Atlanta.

CNN: Clashes erupt at Iraqi protest as sectarian tensions flare