Delivering his first sermon in eight years in Tehran, the top cleric branded Donald Trump a "clown" who only pretended to support the Iranian people.
Khamenei also hailed missile strikes against US targets in retaliation for the assassination of Iran’s top military commander as a "slap on the face" to the superpower.
American forces have now revealed that 11 troops were injured in the attack, after initially saying no service personnel had been hurt.
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