Turmoil in northern Iraq after a suicide bomber disguised as a mourner kills at least 22 people at a Shiite mosque.<br/> <br />Medical workers scramble to treat the wounded<br/> <br />One man has to be pulled from the body of a loved one.<br/> <br />More than 50 people were wounded after the bomb was detonated in the middle of a crowded funeral ceremony.<br/> <br />The attack comes as the Shi'ite-led government faces pressure from mass Sunni protests raising fears the country could slide back into sectarian conflict.<br/> <br />No one is claiming responsibility for the attack. But al Qaeda's local wing often targets Shi'ite Muslim pilgrims and sites.
