UN Secretary General starts official visit to Iraq

Iraqi security forces and civilians inspect the aftermath of a deadly suicide bombing in southern Baghdad, Iraq, Thursday, March 30, 2017. The truck bomb targeted a police checkpoint in southern Baghdad on Wednesday night, killing and wounding scores according to Iraqi officials. No group has immediately claimed responsibility for the attack but the bombing had all the hallmarks of the Islamic State group, which has tried to stage large-scale attacks over the past weeks to detract Iraqi authorities from the battle for IS-held western Mosul. (AP Photo/Karim Kadim) (The Associated Press)

Civilians inspect the aftermath of a deadly suicide bombing in southern Baghdad, Iraq, Thursday, March 30, 2017. The truck bomb targeted a police checkpoint on Wednesday night, killing and wounding scores according to Iraqi officials. No group has immediately claimed responsibility for the attack but the bombing had all the hallmarks of the Islamic State group, which has tried to stage large-scale attacks over the past weeks to detract Iraqi authorities from the battle for IS-held western Mosul. (AP Photo/Karim Kadim) (The Associated Press)

United Nations Secretary-General Antonio Guterres, left, meets with Iraqi parliament speaker Salim al-Jabouri, right, in Baghdad, Iraq, Thursday, March 30, 2017. Guterres arrived in Iraq amid a growing humanitarian crisis due to months-long fighting against the Islamic State group in Mosul, as the extremist group claimed responsibility for an overnight suicide attack in Baghdad. (AP Photo/Ali Abdul Hassan) (The Associated Press)