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FILE - Iraqi Popular Mobilization Forces march as they hold their flag and posters of Iraqi and Iranian Shiites spiritual leaders during "al-Quds" or Jerusalem Day, in Baghdad, Iraq, June 8, 2018. Thousands of fighters from Iran-backed groups in the Middle East are offering to come to Lebanon to join the militant Hezbollah group in its fight with Israel. (AP Photo/Hadi Mizban, File)