Global
Suicide bomber kills 4 outside Iraq ministry - police
The blast followed Thursday's wave of explosions that killed at least 72 people in Baghdad in the first such attacks since a crisis erupted between Iraq's Shi'ite-led government and Sunni rivals days after the withdrawal of the last U.S. troops.
(Reporting by Kareem Raheem; Writing by Serena Chaudhry; Editing by Patrick Markey and Michael Roddy)