The once-unbreakable alliance between Saudi Arabia and the United Arab Emirates has come undone in spectacular fashion, with the two Gulf powerhouses now engaged in an open clash for regional dominance. What was once a formidable partnership, forged under the patronage of former U.S. President Donald Trump, has descended into a bitter rivalry that threatens to destabilize the entire Middle East.
A Rift Years in the Making
The roots of this crisis can be traced back to the early days of the Trump administration, when the Saudi Crown Prince Mohammed bin Salman and the UAE's Sheikh Mohamed bin Zayed Al Nahyan emerged as the president's closest Arab allies. Together, they spearheaded a hawkish regional agenda, intervening militarily in Yemen, imposing a blockade on Qatar, and seeking to counter the influence of Iran.
However, as The Washington Post reports, the two countries' interests have increasingly diverged in recent years. While Saudi Arabia has sought to preserve the status quo and maintain its regional dominance, the UAE has been more willing to back disruptive forces, such as the separatist Southern Transitional Council in Yemen, in pursuit of its own strategic objectives.
A Clash in Yemen
The latest flare-up in the Saudi-Emirati rivalry occurred in Yemen, where the two countries have been part of a military coalition fighting the Iran-backed Houthi rebels. In December 2025, The Wall Street Journal reports, UAE-backed separatist forces seized control of the resource-rich Hadramaut governorate, prompting a swift and angry response from Saudi Arabia.
What this really means is that the once-united front against the Houthis has now shattered, with the two allies now supporting rival factions within the internationally recognized Yemeni government. This not only undermines the coalition's efforts to defeat the Houthis, but also raises the specter of a wider regional conflict.
Implications for the Middle East
The breakdown of the Saudi-Emirati alliance has far-reaching implications for the Middle East. As The Christian Science Monitor reports, it threatens to unravel nascent cooperation on key regional issues, such as stabilizing post-civil-war Syria and finding a path forward in Gaza.
The bigger picture here is that the Gulf's two most powerful countries are now engaged in a zero-sum game for influence, with each seeking to undermine the other's interests across the region. This could lead to a dangerous escalation of tensions, as well as a power vacuum that could be filled by opportunistic actors, including Iran.
In the end, the fallout from this clash between Trump's closest Arab allies may have far-graver consequences for the Middle East than the former president's own turbulent tenure.