Saudi Arabia warns of firm response to Houthi attacks; alerts issued for Red Sea oil port Yanbu

Saudi Civil Defence issued alerts for six cities including Yanbu, its main Red Sea oil port, on September 15, following Houthi attacks. Riyadh warns it will react 'firmly', signaling potential escalation in the Red Sea conflict. The threat to oil-loading infrastructure raises supply disruption risks, though no direct strike on Yanbu has been confirmed.