TOPSHOT - The son of an Iraqi Shiite fighters from the group Asaib Ahl al-Haq (The League of the Righteous) who was killed in Syria in the ongoing battle against Islamic State (IS) group jihadists mourns over his father's coffin during the funeral of eight members of the brigade in the holy city of Najaf on March 16, 2016.  / AFP / HAIDAR HAMDANI        (Photo credit should read HAIDAR HAMDANI/AFP/Getty Images)