BAGHDAD — Iraqi officials say at least seven people were killed when a car bomb detonated in the Shi'ite holy city of Karbala.
Police and hospital officials say several Iranian pilgrims are among those who died in the attack which also injured at least 30.
A parked car bomb exploded at 8:30 a.m. local time in a parking lot in the center of Karbala, 50 miles (80 kilometers) south of Baghdad, police said.
Security officials spoke on condition of anonymity because they were not authorized to speak to the media.
It was not immediately clear how many of the dead were Iranian.
Alaa Abdul-Zahra, a doctor at Karbala's al-Hussein hospital, confirmed the death toll.