In recent days, movements and on-the-ground measures have been observed in Saudi Arabia that may indicate they are part of US preparations to launch a war against Iran. These measures include, for example:

• An increase in US military aircraft and equipment at Sultan Air Base south of Riyadh | satellite imagery.

• A Marine Corps exercise at Faisal Air Base in Jeddah | CENTCOM.

• A halt to gas exports from the Juaymah terminal north of Qatif | Aramco.

• An increase in oil production and exports under an emergency provision | Reuters.

• Enhancing Saudi air defence capabilities through a Patriot deal approved in late January | Reuters.

• Activation of the emergency plan at Dhahran Air Base.

• Activation of the emergency plan at the Fifth Air Defence Group in the town of Umm Al-Sahik in Qatif.