Dated GeoSignal briefings on Yemen. Read developments, assessment and source references in their original context. Country tags reflect published metadata and may not include every actor or place mentioned.
Saudi Arabia, Turkey and Pakistan are arranging urgent senior-level and chiefs-of-staff consultations under their joint defence agreement after Saudi authorities reported intercepting six ballistic missiles aimed at western Saudi locations, while Yanbu crude-export operations remain only partially restored.
The UK has approved one RAF Voyager tanker to refuel Saudi aircraft on defensive missions after a Saudi request, expanding British operational support amid renewed Houthi missile and drone attacks.
The UK has authorised one RAF Voyager to refuel Saudi aircraft on defensive missions for a matter of weeks, subject to review, but operations had not been confirmed as under way as of 22 September 2026.
Houthi control of Mokha and nearby Red Sea islands strengthens the group’s position near Bab el-Mandeb as it declares a campaign against Saudi-linked shipping, while publicly stating that non-Saudi vessels are not intended targets.
Houthi representatives say they have declared a blockade on Saudi-linked shipping in the Bab el-Mandeb Strait and Red Sea, extending the renewed conflict with Saudi Arabia after a September 19 ballistic-missile attempt against Riyadh was intercepted.
Saudi Arabia says it intercepted and destroyed a Houthi ballistic missile aimed at Riyadh on 19 September, while reporting additional thwarted attempts against locations including Yanbu, with no confirmed casualties, damage or fresh energy disruption.
Saudi Arabia’s East-West oil pipeline remains mostly out of service after the September 10 drone attack, constraining a key route to Red Sea export facilities while continued Houthi-linked attacks are straining air-defence capacity.
As of 18 September, Houthi launches and Saudi counterstrikes remain active while damage has reportedly left most of Saudi Arabia’s East-West crude pipeline unavailable for weeks, constraining export flexibility to Yanbu on the Red Sea.
Saudi Arabia is seeking allied air-defence support as active Houthi-linked attacks, advances near Bab al-Mandab and pressure on westward oil-export infrastructure sustain security risks around the Red Sea.
Saudi Arabia’s East-West pipeline to Yanbu is expected to remain mostly out of service for weeks after a drone attack, while continuing Houthi-Saudi fighting heightens risks to Saudi air defences and Red Sea export routing.
Reported U.S.–Houthi talks in Muscat on September 12–13 sought to preserve a ceasefire and avoid disruption near Bab al-Mandab after Houthi gains on Yemen’s Red Sea coast, but no public agreement was announced.
Saudi Arabia’s East-West crude pipeline remains shut after drone attacks on September 10, reducing the kingdom’s ability to route exports to the Red Sea as Gulf and Red Sea shipping risks persist.
Saudi Arabia’s East-West Pipeline remains shut after drone damage, constraining a key route to Red Sea export facilities while maritime insecurity persists around the Strait of Hormuz.
Saudi Arabia’s East-West oil pipeline is expected to remain mostly unavailable for three to five weeks after a September 10 drone attack damaged a major pumping facility, reducing a key route to Red Sea export terminals while Strait of Hormuz shipping remains disrupted.
Houthi forces’ reported capture of Mokha and Mayun Island has intensified the contest for Yemen’s west coast and the Bab al-Mandab Strait, with government counterstrikes under way and humanitarian access worsening.
Houthi-held positions at Mokha and Mayun remain contested as Yemen government forces regroup, while further attack claims and Saudi energy-route disruption sustain security pressure around the Bab el-Mandeb.
Houthi forces reportedly hold Mayun Island and Mokha following advances on September 10–11, while Saudi Arabia keeps the East-West Pipeline closed pending safety assessments after attacks.
Houthi forces are reported to have captured Mayun Island after taking Mokha, extending their position near the Bab al-Mandab shipping corridor; reported Saudi strikes near Mokha have not been shown to reverse the gains.
Houthi forces took Yemen’s Red Sea port city of Mokha on 10 September, extending their position on the west coast as renewed fighting and attacks on Saudi infrastructure sustain risks to navigation near the Bab el-Mandeb.
Houthi forces are confirmed to control Mokha, a previously government-held Red Sea port city about 80 km from the Bab el-Mandeb Strait, expanding their position on Yemen’s western coast without establishing an immediate disruption to shipping.
Houthi missile and drone attacks on September 8 wounded 73 people in southern Saudi Arabia and caused fires that temporarily suspended operations at affected oil facilities and utilities.
Houthi missile and drone attacks on 8 September caused fires and temporary operational suspensions at unspecified oil facilities and utilities in southern Saudi Arabia, Saudi authorities said.
Saudi Arabia says Houthi attacks on 8 September ignited fires at unspecified oil facilities and utilities in the south, prompting temporary operational suspensions while the effect on output and exports remains unconfirmed.
A tanker was hit by an unknown projectile west of Yanbu on 24 August, with a Houthi claim linking the incident to the Saudi-linked VLCC Amzan but without independent confirmation of the vessel, perpetrator or weapon type.