Iraqi Muslims and Christians hold blood-stained notebooks as they march to denounce a bombing that targeted buses carrying Christan students, near Mosul, 225 miles (360 kilometers) northwest of Baghdad, Monday, May 3, 2010. Two bombs exploded minutes apart Sunday near buses carrying Christian students in the northern Iraqi city of Mosul, killing at least one bystander and injuring around 100 others, a security official said. (AP Photo)