The Houthi rebel group in Yemen has threatened to start attacking oil tankers and warships sailing under enemy flag if the Gulf coalition fighting it in the country does not reopen its ports. The coalition, which is led by Saudi Arabia, which supports Yemen’s elected government, now in exile, closed all borders with the country following a Houthi ballistic missile attack on Riyadh. The Saudi anti-missile defense system intercepted the weapon, but the Saudi government saw the long hand of Tehran behind the attack. On the grounds that the ballistic missile was supplied by Iran—something that Tehran has denied—Saudi Arabia closed off Yemeni ports to prevent another missile reaching its smaller neighbor, currently deep in the throes of what’s possibly the worst humanitarian crisis the world has seen in decades, not least because of the port closures. According to the United Nations, the closures could result in the death […]