The Bush administration is developing plans to "internationalise" the Iraq crisis, including an expanded role for the United Nations, as a way of reducing overall US responsibility for Iraq's future and limiting domestic political fallout from the war as the 2008 election season approaches.

The move comes amid rising concern in Washington that President George Bush's controversial Baghdad security surge, led by the US commander, General David Petraeus, is not working and that Iran is winning the clandestine battle for control of Iraq.

Bush may turn to UN in search for Iraq solution