Khalaf, 54, a printing technician for the government daily , was killed when a car packed with explosives blew up the back side of the paper's main offices at about 9 a.m., one of the busiest times at the paper, reported.
At least 25 employees at the paper suffered injuries from flying glass and debris. Thirteen were treated at the scene; the others were taken to a local hospital. The employees went back to work that day and the paper published its issue on time.
Insurgents have frequently targeted and its journalists because of the paper's ties to the U.S.-supported Iraqi government. Insurgents have killed at least 15 other employees of the paper and its affiliates since 2004, and the offices of the paper and its affiliates have repeatedly come under mortar attack.