A senior adviser to Iran’s Supreme Leader, Ali Larijani, warned on Friday that any U.S. interference in Iran’s ongoing protests would trigger chaos across the wider Middle East. His remarks came after U.S. President Donald Trump said Washington would intervene if Iranian authorities used lethal force against peaceful demonstrators. Iran has been gripped by its largest protests in three years, sparked by a sharp currency slide, rising prices and worsening economic conditions. Clashes between protesters and security forces have already left several people dead, further escalating tensions between Tehran and Washington.