UN special envoy to Yemen Martin Griffiths is expected to discuss urgent humanitarian measures and resuming the political process with senior figures in the Iranian government on Sunday.
Mr Griffiths's first visit to Tehran is part of his efforts to support a negotiated solution to the five-year conflict in Yemen, which started when the Iran-backed Houthi rebels drove the government from the capital, Sanaa, in 2015.
A Saudi Arabia-led military coalition then intervened in an effort to restore the internationally recognised government.
“The special envoy’s immediate priority is to support agreement between the parties to the conflict on a nationwide ceasefire, urgent humanitarian measures and the resumption of the political process,” Mr Griffiths's office said.
As he began his two-day Iran trip, where he is due to meet Foreign Minister Javad Zarif, a meeting between the Gulf Co-operation Council and Egyptian officials was held in Cairo.
Egyptian Foreign Minister Sameh Shoukry welcomed GCC Secretary General Nayef Al Hajraf, who highlighted the importance of respecting the sovereignty of Arab states.
He was alluding to Iran, which GCC nations have long accused of meddling in neighbours' affairs.
Mr Al Hajraf also welcomed the US appointment of the new envoy to Yemen, Tim Lenderking, which comes after the Biden administration announced it would delist the Houthi militia as a foreign terrorist organisation.
Mr Griffiths has been shuttling around the region in recent years trying to build momentum for peace efforts and to find international agreement on how to end the conflict.
He has been trying to get the government and the rebels to resume political talks.
His visit follows remarks made by Yemen’s Prime Minister Maeen Saeed, who called for international pressure on Iran to move the Houthis towards peace, the state news agency said.
Mr Saeed told an EU delegation that the rebels were “implementing Iran’s agenda and are not concerned about the suffering of the Yemenis".
The delegation arrived in Aden, the interim capital of Yemen, on Saturday, in support of the unity government.
The officials included the ambassadors of Germany, Belgium, France, the Netherlands, Ireland, Finland, Sweden and the deputy ambassador of Norway to Yemen.
It is the first high-level delegation of diplomats in Aden since Yemen's unity government returned to the city in December.
Mr Saeed said the presence of the government “contributes to mitigating many of the existing repercussions".
“It will establish a new direction of relationships with Yemen's partners from donor countries and organisations, especially in the relief, humanitarian and development sectors,” he said.
Mr Lenderking was appointed the US envoy to Yemen last week.
A senior US diplomat and former deputy assistant secretary for Arabian Gulf Affairs, he is the first US envoy for Yemen since the war started in 2015.
The GCC welcomed the US's decision and said the move was "positive" for regional and international efforts aimed at ending the conflict.
Mr Al Hajraf stressed the importance of the US role in ending the Yemeni crisis, and its humanitarian and development assistance to the country.
"We are looking forward to working with Ambassador Lenderking," he said.
"His wisdom, capabilities and experience in the region will enhance the efforts of the international community towards finding a comprehensive solution to the Yemeni crisis and achieving security and stability in the region."
Specs
Engine: Dual-motor all-wheel-drive electric
Range: Up to 610km
Power: 905hp
Torque: 985Nm
Price: From Dh439,000
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ALL THE RESULTS
Bantamweight
Siyovush Gulmomdov (TJK) bt Rey Nacionales (PHI) by decision.
Lightweight
Alexandru Chitoran (ROU) bt Hussein Fakhir Abed (SYR) by submission.
Catch 74kg
Omar Hussein (JOR) bt Tohir Zhuraev (TJK) by decision.
Strawweight (Female)
Seo Ye-dam (KOR) bt Weronika Zygmunt (POL) by decision.
Featherweight
Kaan Ofli (TUR) bt Walid Laidi (ALG) by TKO.
Lightweight
Abdulla Al Bousheiri (KUW) bt Leandro Martins (BRA) by TKO.
Welterweight
Ahmad Labban (LEB) bt Sofiane Benchohra (ALG) by TKO.
Bantamweight
Jaures Dea (CAM) v Nawras Abzakh (JOR) no contest.
Lightweight
Mohammed Yahya (UAE) bt Glen Ranillo (PHI) by TKO round 1.
Lightweight
Alan Omer (GER) bt Aidan Aguilera (AUS) by TKO round 1.
Welterweight
Mounir Lazzez (TUN) bt Sasha Palatkinov (HKG) by TKO round 1.
Featherweight title bout
Romando Dy (PHI) v Lee Do-gyeom (KOR) by KO round 1.
Final scores
18 under: Tyrrell Hatton (ENG)
- 14: Jason Scrivener (AUS)
-13: Rory McIlroy (NIR)
-12: Rafa Cabrera Bello (ESP)
-11: David Lipsky (USA), Marc Warren (SCO)
-10: Tommy Fleetwood (ENG), Chris Paisley (ENG), Matt Wallace (ENG), Fabrizio Zanotti (PAR)
'Worse than a prison sentence'
Marie Byrne, a counsellor who volunteers at the UAE government's mental health crisis helpline, said the ordeal the crew had been through would take time to overcome.
“It was worse than a prison sentence, where at least someone can deal with a set amount of time incarcerated," she said.
“They were living in perpetual mystery as to how their futures would pan out, and what that would be.
“Because of coronavirus, the world is very different now to the one they left, that will also have an impact.
“It will not fully register until they are on dry land. Some have not seen their young children grow up while others will have to rebuild relationships.
“It will be a challenge mentally, and to find other work to support their families as they have been out of circulation for so long. Hopefully they will get the care they need when they get home.”
UAE currency: the story behind the money in your pockets
The specs
Engine: Four electric motors, one at each wheel
Power: 579hp
Torque: 859Nm
Transmission: Single-speed automatic
Price: From Dh825,900
On sale: Now
Nayanthara: Beyond The Fairy Tale
Starring: Nayanthara, Vignesh Shivan, Radhika Sarathkumar, Nagarjuna Akkineni
Director: Amith Krishnan
Rating: 3.5/5
Brief scoreline:
Al Wahda 2
Al Menhali 27', Tagliabue 79'
Al Nassr 3
Hamdallah 41', Giuliano 45 1', 62'