Samad was killed in April 2018 by a Saudi-led coalition air strike in the port city of Hudaida on Yemen's west coast.
Washington’s attempts to maintain clout against China and Al Qaeda through the UAE is self-defeating and threatens regional stability.
Meanwhile, the United States announced sanctions on what it called members of a smuggling network that generates tens of millions of dollars for Yemen's Houthis.
The loss of Marib would be a heavy blow for the Yemeni government, currently based in the southern city of Aden, and for its Saudi backers.
Yemen’s Shia political alliance, which fought against a Saudi-led Gulf alliance for years, seeks more concessions from Riyadh, experts say.
The raids in Yemen's rebel-held capital come after the coalition said it intercepted 10 drones launched by the rebels on Sunday, in a sharp escalation in cross-border attacks on the kingdom.
The UK has decided to cut aid to victims of the conflict but won't stop selling arms to those perpetrating large scale atrocities against civilians.
The Iran-backed Houthi assault on Marib not only threatens the UN-backed government’s last line of defense but also risks a dire humanitarian crisis.
Earlier this month, the Houthi rebels resumed an offensive to seize Marib city in an effort to gain leverage before entering into any negotiations with Yemen's internationally recognised government.
Yemeh's Houthi rebels say that the airport is a legitimate target as it has been used as a base for the Saudi coalition's widely condemned bombing campaign in Yemen.
The coalition also destroyed four Houthi drones at Al Delmi air base north of Sanaa, Saudi-owned Al Arabiya TV reported.
Southern separatists say they withdrew from talks over a Saudi-sponsored power-sharing deal with the government due to ongoing military escalation in flashpoint province of Abyan.
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