Iran on Sunday said it closed the Strait of Hormuz after a vessel travelled on an unapproved route and was struck, warning that any retaliation over the incident would be met with a “severe response”. “A vessel that had jeopardised maritime security by switching off its systems was struck and brought to a halt,” the Navy of Iran’s Islamic Revolutionary Guard Corps said in a statement, without giving any details about the ship. The US military said shortly after that it had launched a new...