Yemen Announces All-Out War Against Houthis, Threatening Global Oil and Maritime Trade
Yemen’s internationally recognized, Saudi-backed government has officially declared a comprehensive military campaign aimed at recapturing all territories currently controlled by the Iran-aligned Houthi movement. The announcement signals a volatile escalation in a protracted conflict that has now thoroughly entangled global energy markets, international maritime trade, and major geopolitical powers.
Rashad al-Alimi, the head of Yemen’s Presidential Leadership Council (PLC), confirmed the commencement of military operations in a televised address, stating that the armed forces would press the offensive until the entire national territory is liberated from the militia's control. A military spokesperson subsequently issued an ultimatum for the Houthis to lay down their weapons. Alimi emphasized that the decision to launch this aggressive counteroffensive was made only after all diplomatic avenues for de-escalating the conflict had been entirely exhausted.
This renewed domestic escalation effectively opens a perilous second front in the broader U.S.-Israeli conflict with Iran that began in February. The widening war threatens to severely disrupt global macroeconomic stability, particularly through the weaponization of critical maritime chokepoints and targeted strikes on essential energy infrastructure across the Arabian Peninsula.
The Strategic Battle for Maritime Chokepoints
The immediate catalyst for the Yemeni government’s all-out war declaration was a sudden and highly successful military advance by the Houthis last month. In a rapid offensive, the Houthi forces—formally known as Ansar Allah—seized control of the strategic Bab el-Mandeb strait alongside approximately 150 kilometers (90 miles) of Yemen’s Red Sea coastline.
This territorial acquisition has granted the militant group profound new leverage over one of the world's most vital international shipping routes. The Bab el-Mandeb strait serves as the southern exit passage of the Red Sea, acting as a crucial artery connecting the Mediterranean to Asian markets. Its strategic importance has compounded significantly this year as it served as a primary alternative shipping route to the Strait of Hormuz.
By capturing this Red Sea coastline, the Houthis have effectively neutralized Saudi Arabia’s ability to use the corridor as an alternative oil export route to bypass the Strait of Hormuz, a blockade strategy that heavily benefits Iran, the Houthis' primary sponsor. The maritime security situation continues to deteriorate; the United Kingdom Maritime Trade Operations (UKMTO) recently reported that a commercial tanker was struck by an unknown projectile in the strait, though the crew reportedly remained safe.
Escalating Threats to Global Energy Infrastructure
The economic fallout of the escalating conflict is already being felt across global energy networks. In response to the intensifying military pressure, Houthi military spokesman Yahya Saree claimed that the group successfully launched drones and ballistic missiles targeting Saudi Aramco facilities in the capital city of Riyadh, as well as the oil-rich Khurais region in the kingdom's east. Saree stated that the operations were precise, achieving their objectives and causing large fires at the targeted energy sites.
The Houthis maintain that these infrastructure strikes were direct retaliation for a heavy bombardment campaign consisting of 50 to 60 Saudi-led coalition air and missile strikes conducted over a 12 to 24-hour period. While Saudi Arabia and Aramco authorities have not officially confirmed the specific cause of a fire at an Aramco refinery, the Saudi-led coalition swiftly dismissed the Houthi claims as misleading. Historically, Saudi Arabia has mocked such claims, accusing the Houthis of chasing imaginary victories.
However, the persistent targeting of the kingdom's economic lifeblood underscores the severe price Saudi Arabia—and consequently, the global economy—could pay as this conflict intensifies. Saudi oil exports are already operating under immense pressure due to Iran’s aggressive actions to choke oil shipping through the Strait of Hormuz.
These regional disruptions are acutely impacting OPEC+ production capabilities. Gulf producers are currently pumping volumes well below their established targets due to export bottlenecks linked directly to the wider war on Iran, with current export levels hovering at merely 60% to 80% of normal capacity. In August, the seven core members of OPEC+ produced approximately 25 million barrels per day, a stark deficit of around 5 million barrels per day compared to prewar levels. Despite these structural constraints, OPEC+ recently agreed to keep November oil output targets unchanged, aligning with market expectations that major policy shifts are unlikely until the following year, while the group's capacity review for 2027 quotas has been formally delayed.
In a concurrent development within the energy sector, Iranian President Masoud Pezeshkian appointed Hamid Bord, a former chief of the National Iranian Oil Company, as the acting oil minister after accepting the resignation of Mohsen Paknejad, according to state media reports.
The Geopolitical Chessboard and International Entanglement
The localized fighting in Yemen remains deeply intertwined with the strategic interests of global superpowers. Regional and Western officials have indicated that the new military assault relies on a coordinated strategy where Saudi Arabia leads the aerial combat operations, while allied Yemeni forces manage the ground engagements. The United States is actively providing vital intelligence to support Riyadh's operations, while several European and regional nations are supplying the kingdom with primarily defensive military aid, according to sources familiar with the preparations.
While the U.S. war on Iran has effectively decimated a layer of Iranian political and military leadership, it has also resulted in the depletion of crucial American military hardware and deeply entangled Washington in a complex new Middle Eastern engagement. Saudi Arabia first entered the Yemeni civil war in 2015 at the helm of an international coalition supporting the PLC, but the kingdom has largely failed to decisively defeat the Houthi forces, who have modernized their weaponry with substantial assistance from Iran. A truce established in 2022 held relatively stable until this year, unraveling when the Houthis initiated drone and missile attacks on Saudi infrastructure as a direct spillover from the broader Iranian conflict.
Diplomatic maneuvering continues in the background, albeit with rigid conditions. Iranian Parliament Speaker Mohammad Bagher Ghalibaf stated that the Strait of Hormuz will remain closed to shipping until Washington agrees to meet seven specific conditions outlined in the Islamabad Memorandum. Iranian Deputy Foreign Minister Kazem Gharibabadi confirmed that the U.S. has delivered a response to Iran’s proposed seven-day plan via intermediaries, which is currently undergoing internal review in Tehran. According to Iranian Foreign Minister Abbas Araghchi, this plan aims to end the regional fighting, reopen the Strait of Hormuz, and restart negotiations for a definitive peace agreement based on terms closely matching a June memorandum that collapsed during renewed fighting in July. To bolster the Yemeni government amid the crisis, the Saudi Press Agency reported that Riyadh is allocating 224 million riyals ($59.8 million) in new financial support.
Ground Realities: The Siege of Taiz and Humanitarian Catastrophe
Despite the government's declaration of an all-out offensive, the tactical reality on the ground presents a formidable challenge. The Houthis, an armed group of Zaidi Shi’ite Muslims who initially captured the capital city of Sanaa following a popular Arab Spring uprising in 2011, have controlled vast portions of the populous northwest for over a decade.
In recent days, the Houthis have maintained the military initiative, securing significant gains against government and local forces on strategic hilltops surrounding Taiz. Following intense, heavy fighting, Houthi fighters captured the al-Safiya area, severing the primary supply road linking Taiz to the government's interim capital of Aden. This advance effectively halts traffic and encircles Taiz, Yemen's third-largest city, which remains under government control but has long faced sieges from the north, east, and west.
Security and military sources confirm that by capturing this crucial artery, the Houthis have achieved the strategic objective of isolating Taiz from Aden. Farea Al-Muslimi, a research fellow at the Chatham House think tank, observed that while the Houthis have not fully taken control of the city, the isolation is a significant victory, leading him to characterize the government's impending offensive as likely "meaningless" in its potential impact. Clashes remain highly lethal; sources from both factions report that fighting across Taiz and the neighboring Lahj province resulted in over 70 fatalities in a single day, comprising 34 government troops and 39 Houthi fighters. Local residents, however, remain defiant, with citizens like Zakaria Al-Dhubhani publicly vowing to crush any Houthi forces that attempt to breach the city limits.
The macroeconomic and human toll of this protracted siege warfare is devastating. Yemen remains one of the world's poorest nations, gripped by a vast and worsening humanitarian crisis. The strategic encirclement of Taiz—the home region of President Alimi—threatens to amplify the suffering of hundreds of thousands of civilian inhabitants. The World Food Programme reported last week that the severe disruptions to essential supplies and the displacement of tens of thousands of people have resulted in three out of four families in parts of Yemen facing acute hunger. As the Yemeni Prime Minister Shaya al-Zindani urgently calls on the United Nations to scale up its humanitarian response, the intersection of geopolitical warfare and localized collapse paints a grim outlook for the region's immediate future.