Iraq Sunni leader killed at mosque,fears of fallout

The head of Iraq's biggest Sunni Muslim parliament bloc was killed at a mosque on Friday, officials said, an assassination which could undermine efforts for sectarian reconciliation in Iraq.Recently picked as leader of the Accordance Front, Harith al-Ubaidi was seen as a moderate able to broker peace among the bloc's groups and also with Shi'ites, Kurds and others who have struggled for power since the 2003 U.S. invasion.