Iran's supreme leader Ayatollah Ali Khamenei called on Tuesday for the "complete liberation" of Palestine from the "tumour" of Israel, renewing his regime's refusal to recognise Israel's right to exist.

Iran's supreme leader has blasted as "foolishness" a decision by Bahrain's leaders to strip a top Shia Muslim cleric of his citizenship, and said it could provoke violence from Shias, who make up the majority in the Sunni-ruled Gulf kingdom.

Iranian Supreme Leader Ayatollah Ali Khamenei said on Friday Tehran had no intention of cooperating on regional issues with its main enemies, the United States and "evil" Britain, state TV reported.

Iran's supreme leader Ayatollah Ali Khamenei accused Washington of failing to respect the terms of a nuclear deal that lifts sanctions on Tehran, in a speech Sunday marking Persian New Year.

Iran's supreme leader Ayatollah Ali Khamenei warned on Tuesday against American "deceit" after Tehran finalised a landmark nuclear deal with world powers led by the United States.

Iran's supreme leader said Monday the United States was seeking to influence next month's elections in the Islamic republic but said such efforts would receive a "punch in the mouth".

Iranian protesters stormed the Saudi embassy in Tehran early on Sunday and Shia Muslim Iran's top leader predicted "divine vengeance" for Saudi Arabia's execution of a prominent Shia cleric.