Sources with the internationally recognised government say that 16 soldiers from their ranks were killed, including six officers.
Information minister has written in a Twitter post that the Houthis fired two ballistic missiles and two armed drones and had hit a mosque, a commercial centre and a women's correctional facility as well as ambulances rushing to the scene.
Meanwhile, Yemen's Houthi rebels said they had attacked and hit a military air base in southern Saudi Arabia with a drone, but the Saudi-led coalition fighting the group said it had intercepted and destroyed an armed drone fired into the kingdom.
Two officials from pro-government forces say that the rebels were mounting a concerted push that had left 26 loyalist soldiers dead as well as 44 from Houthi ranks.
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.
Protesters say they are angry over a lack of services and delayed salaries, urging the UN to pressure the government into implementing economic reforms.
Prime Minister Maeen Abdulmalik and other members of the internationally recognised government remain holed up inside the building in the interim capital, two Yemeni officials say.
More than 88 million people were suffering from “acute hunger” at the end of 2020 due to conflict and instability, a 20 percent increase in one year, says UN Secretary General Antonio Guterres at UNSC meeting.
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.
United Nations warns of a “death sentence” for the war-torn country as donor conference yields less than half the funds needed to alleviate world’s worst humanitarian disaster.
UN humanitarian agency says the risk of large-scale famine in the Arab world’s poorest country “has never been more acute."
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