Southern separatists clashed on Wednesday with presidential guards in Aden, the seat of Yemen's government, and three people were killed and nine injured, local officials and residents told Reuters.

Houthi forces in Yemen launched drone attacks on Saudi Arabia's King Khalid air base as well as the Abha and Najran civilian airports, the Houthis' military spokesman said on Monday.

Iran is prepared for dialogue if Saudi Arabia is also ready, Iranian Foreign Minister Mohammad Javad Zarif was quoted as saying on Wednesday.

A United Arab Emirates' military drawdown in Yemen is building momentum for a nationwide truce this year, bolstering efforts by the Saudi-led coalition it is part of to end a war that has tarnished the image of U.S.-allied Gulf states.

British ministers signed off nearly £650m worth of arms license exports to Saudi Arabia in the six months following the brutal murder of the dissident journalist Jamal Khashoggi by regime forces, The Independent newspaper said.

A Qatari national arrested in Yemen on suspicions of working with the Iran-aligned Houthis has been released after more than a year in detention in Saudi Arabia, Qatar's National Human Rights Committee (NHRC) said.

United Nations aid chief Mark Lowcock called out Saudi Arabia and the United Arab Emirates on Thursday for only paying a "modest proportion" of the hundreds of millions of dollars they pledged five months ago to a humanitarian appeal for Yemen.

The U.S. House of Representatives backed resolutions on Wednesday to block the sale of precision-guided munitions to Saudi Arabia and the United Arab Emirates, sending them to the White House, where President Donald Trump has promised a veto.

The Saudi-led coalition fighting in Yemen intercepted and downed three drones launched by the Houthi movement towards the southwestern Saudi cities of Jizan and Abha, state TV reported on Tuesday.

Yemen's warring parties have agreed new measures to enforce a ceasefire and facilitate a troop pullback from the flashpoint port of Hodeidah, the United Nations said on Monday.

Saudi Arabia's military in Yemen has moved in to secure two strategic Red Sea ports and the Bab al-Mandeb Strait after its leading ally the United Arab Emirates substantially reduced its presence there, four sources familiar with the matter said.

The Saudi-led military coalition spokesman said late on Monday that the coalition had intercepted and destroyed a drone launched by Yemen's Houthi group at civil targets in the kingdom, the Saudi Press Agency reported.

The United Arab Emirates had been planning its recent troop drawdown in Yemen for over a year and coordinated its move with key ally Saudi Arabia, a senior Emirati official said on Monday.

Saudi-led military coalition said on Thursday it had intercepted drones launched by Yemen's Houthi group that was targeting Jizan airport, a statement on Saudi state media said.

A drone attack by Yemen's Iran-aligned Houthi movement on Abha Airport in Saudi Arabia early on Tuesday left nine people injured, a Saudi-led coalition statement said.

The Saudi Arabia-led military coalition in Yemen on Wednesday said it intercepted a suspected Houthi drone launched toward the kingdom, the state-run Saudi Press Agency (SPA) reported.

Yemen's Houthi movement launched an attack on Abha civilian airport in southern Saudi Arabia on Sunday that killed one person and wounded 21 others, the Saudi-led coalition battling the group in Yemen said.

A Yemeni rebel strike targeted a desalination plant in the southwestern Saudi province of Jizan, a Riyadh-led military coalition fighting the rebels said Thursday.

Yemen's Iran-aligned Houthis struck a power station in Saudi Arabia's al-Shuqaiq city, in the southern province of Jizan, with a cruise missile, their Al Masirah TV said on Wednesday, but there was no immediate confirmation from Saudi authorities.

The German government has given the green light for arms shipments worth over €1 billion so far this year to the Saudi-led coalition fighting in Yemen. The approval comes despite export restrictions being in place.