Iraqi riot police fire tear gas to disperse anti-government protesters gathering on the al- Shuhada (Martyrs) bridge in central Baghdad, Iraq, Thursday, Nov. 7, 2019. Iraqi security forces opened fire on Thursday, killing several protesters as they were trying to remove barriers blocking their march in central Baghdad, while in the south, demonstrators forced the closing of the country's main port, hours after services had resumed following days of closure, officials said. (AP Photo/Hadi Mizban)