Security forces stand guard at the Habib ibn Mathaher mosque in Baghdad on Tuesday, June 18, 2013, after two suicide bombers blew themselves up at the Shiite mosque, Iraqi officials said. (AP Photo/Karim Kadim)

Photo by: Karim Kadim

Security forces stand guard at the Habib ibn Mathaher mosque in Baghdad on Tuesday, June 18, 2013, after two suicide bombers blew themselves up at the Shiite mosque, Iraqi officials said. (AP Photo/Karim Kadim)