Hun Sen, who mixed with monks at a pagoda north of the capital Phnom Penh on Monday, also warned big powers not to use aid as a weapon to pressure him.
And that is why, four years ago, I made a commitment to the American people, and said that we would use all elements of American power to pressure Iran and prevent it from acquiring a nuclear weapon.
The 69-year-old former Massachusetts senator said the US was committed to preventing Iran from securing a nuclear weapon and would continue its policy of both pressure and engagement to try to bring this about.