Yemen’s Iran-aligned Houthis have attacked Saudi Aramco’s Jazan refinery, they said on Sunday, two days after the kingdom signed a defence pact with Turkey and Pakistan in response to growing regional instability from the US-Israeli war on Iran. The alliance with Sunni Muslim US allies, Turkey and Pakistan, is intended to strengthen collective deterrence against any act of aggression and stipulates that an armed attack against any of the three would be regarded as an attack on all. It was not...