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 .
NEW : The $ 10 million reward has been in place since 2011 , U.S. Embassy says . Death toll grows quickly as explosions erupt throughout Iraq . Celebrations marked end of Ramadan . July was deadliest in Iraq since the peak of Sunni-Shiite violence in 2006 and 2007 .