Iran's President Mahmoud Ahmadinejad accused the United States of "blindly supporting" Israel against Hezbollah and President George W Bush of seeking to "solve everything with bombs", in a television interview.
Ahmadinejad again denied seeking a nuclear bomb, questioned the US military presence in Iraq and gave the US network CBS an evasive answer when questioned about an alleged unit of suicide bombers in Iran's Revolutionary Guard.
Commenting on the Israeli-Hezbollah war, the conservative leader said in the interview broadcast yesterday that US support for Israel "threatens the future of all peoples, including the American and European peoples.
"So we are asking, why the American government is blindly supporting this murderous regime."
Ahmadinejad has in the past said Israel should be wiped off the map and denied the existence of the Holocaust.
In this interview, he said through a translator that Israel is "a fabricated government" because it had been forced upon the Middle East after the Holocaust.
The US administration, Israel's main ally, has repeatedly accused Iran and Syria of giving military and financial support to Hezbollah.
But in the interview, recorded last Tuesday before the UN Security Council ordered a cessation of hostilities, Ahmadinejad said: "Hezbollah is a popular organisation in Lebanon.