India, Jan. 21 -- US President Donald Trump has issued a sharp new warning to Iran as deadly protests continue to shake the Islamic Republic, raising fears of a broader confrontation between Washington and Tehran. Speaking during an interview with News Nation, Trump said the situation could spiral into catastrophic consequences if violence and unrest persist.

Trump's remarks come at a time when Iran is witnessing its most intense internal unrest in years, with thousands killed and tens of thousands arrested amid mass demonstrations against the government.

During the interview, Trump delivered one of his strongest statements yet on Iran, warning that the country could face destruction if events take a darker turn. "I've left notification...