Yemen Conflict Re-Ignites: A Detailed Breakdown of the Warring Factions and Key Stakeholders

A severe escalation in Yemen’s protracted civil war has shattered a period of relative calm, as renewed fighting breaks out across several front lines and crosses international frontiers. Following fresh ground offensives launched by Houthi fighters against government positions, the conflict has rapidly intensified, highlighted by cross-border strikes targeting vital energy infrastructure and civilian areas inside southern Saudi Arabia.

The latest surge in violence marks the most dangerous unraveling of stability since the United Nations successfully brokered a nationwide truce in 2022. That agreement had largely paused the major combat operations of a brutal eight-year war, a period that claimed tens of thousands of lives and plunged one of the world's most impoverished countries into deep humanitarian catastrophe.

The sudden renewal of hostilities has focused international attention on the complex web of domestic and regional actors shaping the conflict. With fighting spreading to key front lines—such as the al-Kadha area west of Taiz city—and cross-border attacks inflicting dozens of casualties in Saudi Arabia, the war threatens to draw multiple armed groups and their external backers back into full-scale confrontation.

At the core of the confrontation are the Houthis, officially known as Ansar Allah. The Shia Zaidi armed movement currently commands most of Yemen’s population centers, maintaining control over the capital city of Sanaa alongside vast stretches of the country's northern and western territories bordering Saudi Arabia.

Originating as a movement in the 1990s, the Houthis emerged onto the global political stage in 2014 when they launched an uprising against Yemen's central government. Their forces seized Sanaa and forced the executive leadership to step aside, setting in motion a devastating civil war and precipitating one of the world's most severe humanitarian crises.

Over the ensuing decade, the Houthis have demonstrated significant military resilience and advanced technical capacity. Despite enduring prolonged aerial bombing campaigns led by Saudi Arabia and more recent military strikes conducted by the United States and the United Kingdom, the group has continued to expand its sophisticated arsenal of ballistic missiles and aerial drones, previously utilizing them to strike critical infrastructure across Saudi Arabia and the United Arab Emirates.

While the Houthis are aligned with the regional "axis of resistance" supported by Iran, analysts note that the movement maintains an independent domestic power base, driven by distinct localized goals and political ambitions. In recent years, the group has extended its strategic reach beyond Yemen's borders, gaining wider international prominence by launching attacks against shipping lanes in the Red Sea and targeting Israel following the outbreak of conflict in Gaza in October 2023.

Opposing the Houthi movement is the coalition aligned with Saudi Arabia. Riyadh directly entered Yemen's civil conflict in March 2015, establishing and heading a multinational military coalition intended to roll back Houthi advances and reinstall the internationally recognized administration of then-President Abd-Rabbu Mansour Hadi.

Saudi Arabia's initial military intervention was heavily motivated by strategic competition with Tehran, as Riyadh viewed the consolidation of an Iranian-backed armed movement along its exposed southern border as an unacceptable national security hazard. While regional dynamics shifted somewhat following a China-brokered diplomatic agreement between Saudi Arabia and Iran in 2023 that fostered a less adversarial relationship, cross-border attacks continue to threaten the kingdom's security and energy installations.

On the domestic governance front, anti-Houthi political and military forces are nominally unified under the Presidential Leadership Council (PLC). Formed in 2022, the council assumed authority when former President Hadi formally stepped down and transferred executive powers to an eight-member governing body.

The PLC serves as Yemen’s internationally recognized governing authority, tasked with directing state affairs, coordinating defense operations, and navigating potential peace negotiations toward a permanent ceasefire. The council is chaired by Rashad al-Alimi, an experienced political figure who previously served as an adviser to Hadi and as interior minister under the late President Ali Abdullah Saleh.

To establish a broad-based front against the Houthis, the PLC brings together a diverse assembly of political factions, regional representatives, and military commanders from both the northern and southern provinces of the country, operating with financial, political, and logistical backing from Saudi Arabia and its allies.

Among the major political components within this coalition is the Yemeni Congregation for Reform, commonly known as the Islah party. As a prominent Sunni Islamist organization with historical connections to the Muslim Brotherhood, Islah represents a potent faction within the PLC while retaining its distinct organizational identity and political vision.

The Islah party maintains its primary political and military base in the central province of Marib. This region remains strategically vital to Yemen's broader economy and war effort, as it hosts the nation's exclusive natural gas production facilities and contains some of its most productive oil reserves.

Working in parallel on the battlefield are the National Resistance Forces, an influential military faction commanded by Tareq Saleh, the nephew of former President Ali Abdullah Saleh. This force has actively engaged Houthi fighters on key western battlegrounds, including recent clashes alongside government units in the Taiz governorate.

Aligned closely with Saudi Arabia and integrated into the broader structure of the Presidential Leadership Council, the National Resistance Forces advocate for a unified Yemeni state. In doing so, the faction positions itself as a dual counterbalance against the territorial control of the Houthis in the north and the ambitions of southern secessionist factions, underscoring the deep internal complexities governing Yemen's anti-Houthi coalition.