Six people were killed and seven others wounded when a bomb targeting Iraqi oil installation guards exploded on Sunday in the southern oil hub of Basra, police said.
The explosion in the southern Basra district of Hamdan killed five civilians and a security guard, police said. The wounded included four civilians and three security guards.
No further details of the blast were immediately available.
Basra is Iraq's third largest city and a key economic and oil hub, which is also beset with rivalries among Shiite factions.