Yemen's Houthis deployed additional forces in the main port city of Hodeidah on Sunday as a Saudi-led military coalition moved closer to the city center in the largest offensive of the war, raising U.N. fears of a humanitarian catastrophe.

Iranian president Hassan Rouhani told Qatar’s ruler on Monday that a military approach in Yemen would fail, Iranian state TV reported, after Saudi-led coalition aircraft bombarded Iran-aligned Houthi fighters holed up at the airport of the country’s main port city Hodeidah.

Arab warplanes and warships pounded Houthi positions in Yemen’s Hodeidah on Thursday as a Saudi-led alliance tried to seize the main port in the largest battle of a war that has created the world’s worst humanitarian crisis.

Clashes between troops backed by a Saudi-led coalition and the Iran-aligned Houthis intensified near Yemen’s Hodeidah over the weekend as the United Nations tries to negotiate a ceasefire to avert a possible assault on the main port city, military sources said.

The United States warned Monday that aid must flow through the Yemeni port of Hodeida amid reports that Emirati forces plan to seize it from Houthi rebels.

The United Nations mobilized Monday to avert a "fierce, bloody battle" for a key port in Yemen that provides a lifeline for food, medicine and other vital supplies.

The High Criminal Appeals Court adjourned the appeal submitted by Nabeel Rajab, President of Bahrain Center for Human Rights, on his 5-year jail term verdict, over criticizing war on Yemen, until June 5 for sentencing.

A Court of Appeals adjourned the trial session of the Bahraini human rights activist Nabeel Rajab until May 20, for final pleading.

A Saudi-led coalition air strike last week killed the top civilian leader in the armed Houthi movement in Yemen, the group reported on Monday, the most senior official to be killed by the Western-backed alliance in the three-year-old war

Coalition-backed forces killed two al Qaeda militants in Yemen in a raid in the southern province of Abyan on Wednesday, the Saudi government media office said.

President Emmanuel Macron on Tuesday defended French weapons sales to the Saudi-led coalition fighting in Yemen, but said he was concerned by the humanitarian situation and would host a conference on the issue before the summer.

The spokesman for a Saudi-led coalition said on Tuesday that its military campaign in Yemen was not aimed at establishing a permanent presence along the country’s West coast but at restoring its internationally recognized government.

Saudi Aramco said on Thursday its plants and facilities in the southwestern province of Jizan were operating “normally and safely”.

Yemen’s foreign minister called on Tuesday for a return to the negotiating table to end the war in the Arabian peninsula’s poorest country, where Saudi-backed Yemeni government forces are fighting Iran-aligned Houthi fighters.

Dozens of people took part on Monday (March 26, 2018) in a protest staged in the Canadian Capital, Ottawa, on the 3rd anniversary of war waged by Saudi Arabia on Yemen.

Iran’s Revolutionary Guards denied on Tuesday Saudi accusations that Tehran has provided the Houthi movement in Yemen with ballistic capabilities, a day after a Houthi missile hit the Saudi capital, Riyadh.

Iran accused Britain of hypocrisy on Monday for saying it should stop supplying weapons to Yemeni rebels.

The Houthi movement that controls northern Yemen vowed on Monday to fire more missiles into Saudi Arabia unless it stops bombing the country, after one of its missiles caused casualties in the Saudi capital for the first time.

Khattab Jalal, 27, was asleep on Sunday night in the home in eastern Riyadh that he shared with 15 other Egyptian construction workers when the sound of explosions jolted him awake.

Seventy-five percent of French people want President Emmanuel Macron to suspend arms’ exports to countries, including Saudi Arabia and the United Arab Emirates, involved in the Yemeni war, a YouGov poll showed on Monday.