NEW : The $ 10 million reward has been in place since 2011 , U.S. Embassy says . Comment: In Mosul , at least eight people were killed and 12 others were wounded in two separate explosions in the city . Celebrations marked end of Ramadan . July was deadliest in Iraq since the peak of Sunni-Shiite violence in 2006 and 2007 .
NEW : The $ 10 million reward has been in place since 2011 , U.S. Embassy says . Comment: Celebrations marked end of Ramadan . July was deadliest in Iraq since the peak of Sunni-Shiite violence in 2006 and 2007 .