Yemeni sources report an attack on an oil refinery in Jeddah, Saudi Arabia, Tasnim reports

Strikes on Saudi oil infrastructure attributed to Yemen have a well-established playbook: an unconfirmed claim or report of an attack, followed by a wait for Saudi confirmation, damage assessment, and any claim of responsibility, with the crude market typically paying a risk premium first and asking questions later. The historical distinction that matters is between a strike that damages processing or export capacity and one that is intercepted or hits peripheral storage; the former has on past occasions produced a sharp, sustained repricing of crude and freight, the latter a spike that faded within sessions once throughput was confirmed intact. Jeddah sits on the Red Sea coast, which frames the transmission channel differently from eastern province incidents: the read-through runs through Red Sea shipping risk, war-risk insurance, and tanker routing rather than through Gulf export terminals and the Strait of Hormuz. The sourcing here is itself a signal worth noting, since reports carried via Yemeni and Iranian-linked channels have in past episodes ranged from confirmed hits to claims that were denied or downgraded, and Riyadh's acknowledgement or silence has historically been the key tell. Watch items in sequence are official Saudi comment, any evidence of fire or damage at the facility, a formal claim of responsibility, and whether Saudi air defence or retaliation rhetoric escalates, since the pattern in prior episodes is that the geopolitical premium only sticks when the exchange rate of attacks rises rather than when a single strike lands.