TEHRAN: Gunmen attacked an Iranian oil delegation visiting Baghdad on Wednesday, the Iranian Oil Ministry said. ”The delegation was attacked by terrorists but they are not harmed and have no problems,” the ministry’s Shana website said. ”The delegation was visiting Iraq to hold talks about exporting fuel to Iraq. They came under gunfire when heading to the Electricity Ministry building.” An Iraqi Interior Ministry source said the convoy was attacked in central Baghdad and two Iraqi guards were wounded. Iran did not say who was behind the attack and no group has taken responsibility for the attack yet. Iraq became a base for many Shi’ite and Sunni armed groups after the US-led invasion in 2003 and all of these groups are active in most areas of Baghdad, the Iraqi capital.