Explained: Why Saudi Arabia bombed Yemen and issued a warning to the UAE?

Saudi Arabia carried out airstrikes on Yemen’s eastern port city of Mukalla on December 30, saying it targeted an unauthorised shipment of military equipment that posed a direct threat to its national security. The strikes were followed by an unusually blunt warning to the United Arab Emirates (UAE), highlighting sharp differences between the two Gulf allies over developments in Yemen.

Why did Saudi Arabia issue a warning to the UAE?

Following the Mukalla strikes, Saudi Arabia issued one of its strongest public warnings to the UAE. The Saudi-led coalition said the alleged shipment crossed a “red line” and accused external actors of “pushing Yemen towards further fragmentation”, according to a statement carried by Reuters.

“Any attempt to impose facts on the ground through armed militias is unacceptable,” the coalition said, warning that such actions threaten regional stability. Saudi officials told Reuters that their concerns had been conveyed directly to Abu Dhabi and that Riyadh expected “immediate corrective steps”.


Also read: UAE to pull forces out of Yemen as 24-hour deadline set

The UAE rejected claims that it was destabilising Yemen. In a statement cited by PTI, Emirati officials said the equipment in question was intended for forces involved in counter-terrorism operations and denied supplying weapons to separatist groups without coordination.

Abu Dhabi later announced the withdrawal of its remaining military personnel from Yemen. “The UAE has decided to reposition its forces and prioritise diplomatic and humanitarian efforts,” an official statement quoted by PTI said, adding that the country remained committed to Yemen’s stability and unity.

Why is Mukalla strategically important?

Mukalla, the capital of Yemen’s Hadramout province, is strategically significant due to its location on the Arabian Sea and its proximity to Saudi Arabia’s southern border. Saudi officials have repeatedly stressed that stability in eastern Yemen is directly linked to the kingdom’s national security.

A Saudi official, quoted by Reuters, said Riyadh “will not allow any party to turn eastern Yemen into a zone of armed confrontation or a platform that threatens neighbouring states”. Saudi Arabia has maintained that the militarisation of relatively stable areas could widen the conflict and undermine political efforts to stabilise Yemen.

What is the Southern Transitional Council?

The Southern Transitional Council (STC) is a separatist group formed in 2017 that seeks autonomy or independence for southern Yemen, which existed as a separate state before unification in 1990. The group controls large parts of southern Yemen, including the port city of Aden, and maintains its own armed forces.

While the STC has fought against the Houthis, it has also clashed with Yemen’s internationally recognised government. Saudi officials have said that support for armed groups outside state authority “undermines Yemen’s unity and the legitimacy of its institutions”, according to Reuters.

How are Saudi Arabia and the UAE involved in Yemen?

Saudi Arabia and the UAE entered the Yemen conflict together in 2015 as part of a coalition supporting the internationally recognised government against the Houthis. Over time, however, their priorities have diverged.

Saudi Arabia has focused on restoring a unified Yemeni state and securing its borders, while the UAE has maintained ties with southern forces, including the STC, citing counter-terrorism and maritime security interests. These differences have increasingly surfaced publicly, with Saudi officials emphasising the need for “a single national military and security framework” in Yemen, Reuters reported.

What does this mean for the Yemen war?

The dispute highlights growing strains within the anti-Houthi camp at a critical stage of the conflict. Saudi officials have warned that internal divisions risk prolonging the war and weakening prospects for a negotiated settlement, according to Reuters.

Also read: Escalation in Yemen threatens to reignite civil war and create wider tensions in Gulf region

Yemeni officials aligned with Riyadh told Reuters that the episode had “undermined trust between partners” and complicated governance in areas already struggling with weak institutions. Humanitarian agencies have cautioned that renewed tensions could worsen conditions in a country facing severe food shortages and widespread displacement.

The United States said it was closely monitoring the situation and urged all parties to “avoid escalation and prioritise diplomatic engagement”, Reuters reported. International organisations have reiterated that cooperation among regional actors is essential for progress towards peace in Yemen.