Iran's supreme leader insisted Saturday that rioters must be put in their place after a week of protests that have shaken the Islamic Republic, likely giving security forces a green light to aggressively put down the demonstrations. The first comments by 86-year-old Ayatollah Ali Khamenei come as violence surrounding the demonstrations sparked by Iran's ailing economy has killed at least 10 people. The protests show no sign of stopping and follow US President Donald Trump's warning to Iran on Friday that if Tehran violently kills peaceful protesters, the United States will come to their rescue. While it remains unclear how and if Trump will intervene, his comments sparked an immediate, angry response, with officials within the theocracy threatening to target American troops in the Mideast. They also take on new importance after Trump said Saturday that the US military captured Venezuelan President Nicolas Maduro, a longtime ally of Tehran. The protests have become the biggest in Ira