Paris - US President Donald Trump on Sunday said he was hopeful of agreeing on a deal with Iran after the country's supreme leader warned that any US attack on the Islamic Republic would trigger a regional war.
Following the Iranian authorities' deadly response to anti-government protests that peaked last month, Trump has threatened military action and ordered the dispatch of an aircraft carrier group to the Middle East.
Iranian supreme leader Ayatollah Ali Khamenei on Sunday likened the recent protests to a "coup", warning that a US attack would trigger a broad conflict.
"The Americans should know that if they start a war, this time it will be a regional war," he said, telling Iranians they "should not be scared" of Trump's rhetoric.
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