The Iraqi Prime Minister, Nouri al-Maliki, is visiting Iran today amid tensions between the two countries over the Iranian Government's alleged involvement in the insurgency in Iraq.Among the Iraqi Prime Minister's delegation is a team of military and security officials.
Government sources say they will be showing the Iranians evidence of their alleged support for Shiite militias in Iraq - especially Moqtada Al-Sadr's Mahdi army.
It fought bitter battles with government and American forces between March and May in Baghdad and Basra.
Iran has always denied any involvement.
But officials say Mr Maliki will be urging Iran, not for the first time, to support the government in Baghdad and stop secretly backing militias which are undermining it.