The issue focused on the US and its concern that U.S. policy in Iraq is at risk.

"I do not want to be a head of state, I would like to be a country which can use this kind of military power for good," he said, while also saying that it's "inadvisable" to have an American president or even a political system in the country.

Kerry was later asked by Al-Jazeera about an official report by the United Nations'