Iran's UN Ambassador has protested President Trump's warning against using violence on protesters, stating Iran will exercise self-defense if attacked. Trump had cautioned Tehran against a violent crackdown, promising US intervention if peaceful demonstrators were harmed. The protests, now in their sixth day, are largely driven by economic hardship and soaring prices, with at least seven reported deaths. Iran's ambassador deemed Trump's remarks a violation of international law and held the US responsible for any escalation.