Any “mischief” in the Strait of Hormuz would trigger “a chain-reaction response” in more critical shipping lanes, including the Malacca Strait in Southeast Asia, an adviser to the Iranian supreme leader, Mojtaba Khamenei, has warned. The warning from Ali Akbar Velayati, international affairs adviser to Khameini, came hours after Iran declared another full closure of Hormuz – days before a fragile ceasefire with the US was due to expire. “The era of imposing security from across the oceans has...