Leader of tribe that includes Saddam Hussein 's family dies in blast . Gunmen kill two other tribal leaders who support national security . U.S.-led coalition troops kill two suspected militants in northern Iraq . In Mosul , gunmen shot dead two tribal leaders from Tal Afar , an Iraqi Interior Ministry official said . American diplomat : Iraq should n't be base for attacks on other states .
Leader of tribe that includes Saddam Hussein 's family dies in blast . Gunmen kill two other tribal leaders who support national security . U.S.-led coalition troops kill two suspected militants in northern Iraq . American diplomat : Iraq should n't be base for attacks on other states .