An adviser to Iran’s supreme leader Mojtaba Khamenei has warned of “a chain-reaction response” in more critical shipping lanes, including in the Malacca Strait in Southeast Asia, after Iran declared another full closure of the Hormuz Strait before a fragile ceasefire is due. “The era of imposing security from across the oceans has come to an end. Today, not only has the security of Hormuz and Mala