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

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Escalation in Yemen threatens to reignite civil war and create wider tensions in Gulf region
News

News

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

2025-12-31 00:29 Last Updated At:00:30

DOHA, Qatar (AP) — Saudi Arabia bombed Yemen’s port city of Mukalla on Tuesday, targeting a shipment of weapons from the United Arab Emirates for separatist forces — a significant move in a country located along a key international trade route that threatens to bring new risks to the Persian Gulf region. The UAE later said it would withdraw its forces from Yemen.

The secessionist Southern Transitional Council, STC, a group backed by the United Arab Emirates, this month seized most of the the provinces of Hadramout and Mahra, including oil facilities.

Yemen has been mired for more than a decade in a civil war that involves a complex interplay of sectarian grievances and the involvement of regional powers.

The Iran-aligned Houthis control the most populous regions of the country, including the capital Sanaa. Meanwhile, a loose regional coalition of powers — including Saudi Arabia and the UAE — has backed the internationally recognized government in the south.

The war has created a humanitarian crisis and shattered the economy. Still, since 2022, violence had gradually declined as the sides reached something of a stalemate in the war.

The move by the UAE-backed separatists upends the political arrangement among the anti-Houthi partners.

The war in Yemen began in 2014, when the Houthis marched from their northern stronghold of Saada. They took the capital, Sanaa, and forced the internationally recognized government into exile. Saudi Arabia and the UAE entered the war the following year in an attempt to restore the government.

The new fighting pits the STC against the forces of the internationally recognized government and its allied tribes, even as they are both members of the camp fighting against the Houthi rebels in the country’s broader civil war.

The STC is the most powerful group in southern Yemen, with crucial financial and military support from the UAE. It was established in April 2017 as an umbrella organization for groups that seek to restore South Yemen as an independent state, as it was between 1967 and 1990.

The latest moves reinforced the STC positions across southern Yemen, which could give them leverage in any future talks to settle the Yemen conflict. The STC has long demanded that any settlement should give southern Yemen the right of self-determination.

The STC enjoys loyalty through much of southern Yemen. It is chaired by Aidarous al-Zubaidi, who is also vice president of the country’s Presidential Leadership Council, the ruling organ of the internationally recognized government.

The STC and other UAE-supported groups now control most of the southern half of Yemen, including crucial port cities and islands.

The other party in the latest fighting includes the Yemeni military, which reports to the internationally recognized government. They are allied with the Hadramout Tribal Alliance, a local tribal coalition supported by Saudi Arabia.

These forces are centered in Yemen’s largest province of Hadramout, which stretches from the Gulf of Aden in the south to the border with Saudi Arabia in the north. The oil-rich province is a major source of fuel for the southern areas of Yemen.

Earlier this month, STC forces marched to Hadramout and took control of the province’s major facilities, including PetroMasila, Yemen’s largest oil company, after brief clashes with government forces and their tribal allies.

This took place after the Saudi-backed Hadramout Tribal Alliance seized the PetroMasila oil facility in late November to pressure the government to agree to its demands for a bigger share of oil revenues and the improvement of services for Hadramout’s residents.

The STC apparently seized on this move as a pretext for wrestling control of Hadramout and its oil facilities for itself and expanding areas under its control in Yemen.

STC forces then marched to the province of Mahra on the borders with Oman and took control of a border crossing between the two countries. In Aden, the UAE-backed force also seized the presidential palace, which serves as the seat of the ruling Presidential Council.

Saudi troops also withdrew earlier this month from bases in Aden, a Yemeni government official said. The withdrawal was part of a Saudi “repositioning strategy,” said the official who spoke on condition of anonymity to discuss the matter.

On Friday, Saudi Arabia targeted the Hadramout region in airstrikes that analysts described as a warning for the separatists to halt their advance and leave the governorates of Hadramout and Mahra.

The escalation shattered the relative quiet in Yemen’s war, which has been stalemated in recent years after the Houthis reached a deal with Saudi Arabia that stopped their attacks on the kingdom in return for ceasing the Saudi-led strikes on their territories.

The escalation highlights strained ties between Riyadh and Abu Dhabi, which had been backing competing sides in Yemen’s decade long war against the Iranian-backed Houthi rebels amid a moment of unease across the wider Red Sea region. The two nations, while closely aligned on many issues in the wider Mideast, increasingly have competed with each other over economic issues and the region’s politics.

The United Arab Emirates said earlier this month that Yemen's governance and territorial integrity is “an issue that must be determined by the Yemeni parties themselves.”

FILE - The president of the Yemen's Southern Transitional Council Aidarous Al-Zubaidi sits for an interview, Friday, Sept. 22, 2023, in New York, while attending the United Nations General Assembly's annual high-level meeting of world leaders. (AP Photo/Ted Shaffrey, File)

FILE - The president of the Yemen's Southern Transitional Council Aidarous Al-Zubaidi sits for an interview, Friday, Sept. 22, 2023, in New York, while attending the United Nations General Assembly's annual high-level meeting of world leaders. (AP Photo/Ted Shaffrey, File)

This photo gallery, curated by AP photo editors, features highlights from the Australian Open tennis championship in Melbourne, Australia.

A supporter of Dane Sweeny of Australia reacts during his first round match against Gael Monfils of France at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

A supporter of Dane Sweeny of Australia reacts during his first round match against Gael Monfils of France at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Lorenzo Musetti of Italy puts an ice towel around his face during a break in his third round match against Tomas Machac of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 24, 2026. (AP Photo/Asanka Brendon Ratnayake)

Lorenzo Musetti of Italy puts an ice towel around his face during a break in his third round match against Tomas Machac of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 24, 2026. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. reacts during an on court interview following her second round match against Olga Danilovic of Serbia at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. reacts during an on court interview following her second round match against Olga Danilovic of Serbia at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Raphael Collignon of Belgium plays a backhand return to Lorenzo Musetti of Italy during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Aaron Favila)

Raphael Collignon of Belgium plays a backhand return to Lorenzo Musetti of Italy during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Aaron Favila)

Zhang Zhizhen of China serves to Francisco Cerundolo of Argentina during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Asanka Brendon Ratnayake)

Zhang Zhizhen of China serves to Francisco Cerundolo of Argentina during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Asanka Brendon Ratnayake)

Madison Keys of the U.S. serves to Oleksandra Oliynykova of Ukraine during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Madison Keys of the U.S. serves to Oleksandra Oliynykova of Ukraine during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Francisco Comesana of Argentina plays a forehand return to Frances Tiafoe of the U.S. during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Francisco Comesana of Argentina plays a forehand return to Frances Tiafoe of the U.S. during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Hamad Medjedovic of Serbia reacts during his second round match against Alex de Minaur of Australia at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Hamad Medjedovic of Serbia reacts during his second round match against Alex de Minaur of Australia at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Ben Shelton of the U.S. serves to Ugo Humbert of France during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Ben Shelton of the U.S. serves to Ugo Humbert of France during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Alexandra Eala of the Philippines reacts during her first round match against Alycia Parks of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Alexandra Eala of the Philippines reacts during her first round match against Alycia Parks of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Flavio Cobolli of Italy plays a backhand return to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Flavio Cobolli of Italy plays a backhand return to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Arthur Gea of France takes a selfie with supporters after defeating Jiri Lehecka of the Czech Republic in their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Arthur Gea of France takes a selfie with supporters after defeating Jiri Lehecka of the Czech Republic in their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Oleksandra Oliynykova of Ukraine plays a backhand return to Madison Keys of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Oleksandra Oliynykova of Ukraine plays a backhand return to Madison Keys of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Novak Djokovic of Serbia plays a backhand return to Pedro Martinez of Spain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Aaron Favila)

Novak Djokovic of Serbia plays a backhand return to Pedro Martinez of Spain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Aaron Favila)

Olga Danilovic of Serbia plays a backhand return to Venus Williams of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Olga Danilovic of Serbia plays a backhand return to Venus Williams of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Alexander Bublik of Kazakhstan plays a shot between his legs to Marton Fucsovics of Hungary during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Alexander Bublik of Kazakhstan plays a shot between his legs to Marton Fucsovics of Hungary during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Aryna Sabalenka of Belarus reacts during her first round match against Tiantsoa Rakotomanga Rajaonah of France at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Dita Alangkara)

Aryna Sabalenka of Belarus reacts during her first round match against Tiantsoa Rakotomanga Rajaonah of France at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Dita Alangkara)

Alexander Zverev of Germany plays a forehand return to Gabriel Diallo of Canada during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Dita Alangkara)

Alexander Zverev of Germany plays a forehand return to Gabriel Diallo of Canada during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Dita Alangkara)

Frances Tiafoe of the U.S. plays a forehand return to Francisco Comesana of Argentina during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Frances Tiafoe of the U.S. plays a forehand return to Francisco Comesana of Argentina during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Asanka Brendon Ratnayake)

Ben Shelton of the U.S. plays a backhand return to Ugo Humbert of France during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Ben Shelton of the U.S. plays a backhand return to Ugo Humbert of France during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Priscilla Hon of Australia plays a backhand return to Marina Stakusic of Canada during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Priscilla Hon of Australia plays a backhand return to Marina Stakusic of Canada during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Dar Yasin)

Oleksandra Oliynykova of Ukraine plays a forehand return to Madison Keys of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Oleksandra Oliynykova of Ukraine plays a forehand return to Madison Keys of the U.S. during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 20, 2026. (AP Photo/Asanka Brendon Ratnayake)

Flavio Cobolli of Italy serves to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Flavio Cobolli of Italy serves to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Flavio Cobolli of Italy prepares to serve to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Flavio Cobolli of Italy prepares to serve to Arthur Fery of Britain during their first round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 18, 2026. (AP Photo/Aaron Favila)

Coco Gauff of the U.S. serves to Kamilla Rakhimova of Uzbekistan during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Aaron Favila)

Coco Gauff of the U.S. serves to Kamilla Rakhimova of Uzbekistan during their first round match at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 19, 2026. (AP Photo/Aaron Favila)

Alex de Minaur of Australia plays a backhand return to Hamad Medjedovic of Serbia during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Alex de Minaur of Australia plays a backhand return to Hamad Medjedovic of Serbia during their second round match at the Australian Open tennis championship in Melbourne, Australia, Wednesday, Jan. 21, 2026. (AP Photo/Dita Alangkara)

Ben Shelton of the U.S. celebrates after defeating Valentin Vacherot of Monaco in their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 24, 2026. (AP Photo/Aaron Favila)

Ben Shelton of the U.S. celebrates after defeating Valentin Vacherot of Monaco in their third round match at the Australian Open tennis championship in Melbourne, Australia, Saturday, Jan. 24, 2026. (AP Photo/Aaron Favila)

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