NEW : At least five people are killed in a suicide car bombing in CNN . NEW : At least five people are killed when gunmen attack a southern Tuz checkpoint . At least 10 people are killed when two bombs explode in Mosul Khurmatu . Bloodshed rises between Sunnis and Sunnis .
NEW : At least five people are killed in a suicide car bombing in Tal-Afar . NEW : Three people are killed when gunmen attack a southern Mosul checkpoint . At least 10 people are killed when two bombs explode in Tuz Khurmatu . Bloodshed rises between Sunnis and Shiites .