The chairman of the U.S. House Foreign Affairs Committee said on Wednesday he was troubled by a report that Saudi Arabia transferred weapons to extremist groups in Yemen and questioned whether Congress should consider more restrictions on weapons sales to the Saudi-led coalition.

Amnesty International accused the United Arab Emirates on Wednesday of diverting arms supplied by Western and other states to "unaccountable militias accused of war crimes" in Yemen.

A U.N. special envoy told warring Yemenis on Tuesday that rapid implementation of a prisoner swap deal would help advance efforts at a political settlement of a nearly four-year-old war.

A committee overseeing a ceasefire in Hodeidah will hold its next meeting on a ship off the port city as Yemen's warring parties cannot agree on a venue, Yemeni and U.N. sources said on Saturday.

The head of a United Nations advance team tasked with monitoring a ceasefire between the Iranian-aligned Houthi group and Saudi-backed government forces in Yemen's Hodeidah has arrived in Yemen, U.N. and local officials said on Saturday.

The Bahraini Ministry of Foreign Affairs welcomed the issuance of Security Council Resolution 2451 on the ceasefire in Yemen’s Hodeidah, and the dispatch of international observers to follow up what was agreed upon between Yemeni parties in Sweden.

The United Nations Security Council on Friday unanimously approved the deployment of a U.N. advance team to monitor a ceasefire in Yemen’s Hodeidah region after days of wrangling that pitted the United States against ally Britain.

Explosions rocked Yemen’s Red Sea city of Hodeidah for a second day on Wednesday despite a U.N.-mediated ceasefire meant to pave the way for peace negotiations to end nearly four-years of war.

Yemen’s warring parties blamed each other for violations of a U.N.-mediated ceasefire in Hodeidah meant to avert an all-out battle for a port city vital for emergency aid supplies and pave the way to peace negotiations.

The U.N. Security Council is considering a draft resolution that asks U.N. chief António Guterres to submit proposals by the end of the month on how to monitor a ceasefire agreed by Yemen’s warring parties for the key port city of Hodeidah, diplomats said on Monday.

At least 29 fighters, including 22 Huthi rebels, were killed on Saturday night in clashes and air strikes in Hodeida province, said a pro-government military source.

In a rare break with President Donald Trump, the Senate voted on Wednesday to move ahead with a resolution to end U.S. military support for the Saudi Arabian-led coalition in the war in Yemen and lawmakers vowed to push for sanctions against the kingdom in the new year.

Yemen’s warring parties agreed on Wednesday to reopen Sanaa airport in the Houthi-held capital and resume oil and gas exports, sources said, as Western nations pressed them to accept confidence-building steps before the end of U.N.-led peace talks in Sweden.

The United Nations proposed at initial talks between Yemen’s warring parties on Tuesday that they withdraw from the contested port city of Hodeidah, a lifeline for millions facing famine, and place it under the control of an interim entity.

Yemeni Houthi officials are expected to travel to Sweden shortly for talks as early as Wednesday to end the nearly four-year-old war after the Saudi-led coalition allowed the evacuation of some of their wounded for treatment.

Authorities in the Houthi-held Yemeni capital Sanaa are sterilizing water supplies at wells, distribution networks and houses to help stem the world’s worst outbreak of cholera.

A delegation from Yemen's Houthis could attend talks sponsored by the United Nations in Sweden if safe exit and return is guaranteed, the Head of the Houthi's supreme revolutionary committee, Mohammed Ali al-Houthi, said on Thursday.

Argentine President Mauricio Macri said on Thursday that accusations against Saudi Crown Prince Mohammed bin Salman relating to war crimes and the murder of journalist Jamal Khashoggi may be discussed during the G20 summit, which starts on Friday.

Saudi Arabia will buy Lockheed Martin's $15 billion missile defense system, a U.S. Department of State spokesman said on Wednesday, after aggressive lobbying by the administration to close the deal that included a personal call between President Donald Trump and Saudi King Salman.

Two senior U.S. Cabinet members urged senators on Wednesday not to downgrade ties with Saudi Arabia over the murder of journalist Jamal Khashoggi, but lawmakers from both parties said they could not turn a blind eye to reports that the country’s de facto ruler was involved in last month’s killing.