President Donald Trump’s "cheap, ugly, foolish and unreal" remarks before the UN general assembly earlier this week were a sign of desperation, Iran’s supreme leader has said.

Iran will remain closed to US influence and continue to oppose US policies in the Middle East after its nuclear deal with big powers, supreme leader Ayatollah Ali Khamenei said yesterday, noting either country can still block the accord.

Iran’s Supreme Leader Ayatollah Ali Khamenei has stopped short of giving his endorsement to the framework nuclear deal struck last week between Tehran and world powers.