Iran sought to assert control over Strait of Hormuz by saying that ships need its permission and mandatory insurance to cross, even as the US said that 20 ships sailed through overnight via a route it recommends along Oman’s coast. The conflicting signals come as the shipping industry tries to assess whether it is safe to transit the world’s most important energy chokepoint and what sort of system will emerge after the US and Tehran reached an interim peace deal to reopen the strait. The number...