NEW : Motorcycle bomb kills six in Iraqi neighborhood of Baghdad . In the latest attack , a parked motorcycle bomb exploded in the marketplace of al-Khadra in a predominantly Sunni neighborhood of eastern Baghdad . Blast near Shiite mosque kills Three in Mosul . six attacks target Shiite pilgrims traveling through Sunni capital . Friday was end of Iraqi celebration of historic imam 's birth .
NEW : Motorcycle bomb kills six in Iraqi neighborhood of Baghdad . Blast near Shiite mosque kills Three in Mosul . six attacks target Shiite pilgrims traveling through Sunni capital . Friday was end of Iraqi celebration of historic imam 's birth .