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.
Protesters say they are angry over a lack of services and delayed salaries, urging the UN to pressure the government into implementing economic reforms.
A deadly fire started in an overcrowded detention centre last week when Houthi security forces reportedly fired projectiles into a locked hangar. Migrants have staged demonstrations demanding a probe into the incident.
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.
The fighting in Marib has left 32 dead among government forces and loyalist tribes, while 58 Houthi rebels have been killed in coalition air strikes, government military sources say.
Brigadier General Mohsen al Wali and another general survived “an assassination operation using a rigged car”, the Southern Transitional Council forces say.
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."
Saudi-led military coalition says Iran-allied Houthis launched a ballistic missile toward Riyadh and three booby-trapped drones toward the province of Jizan, with a number of other drones being monitored.
Pro-government forces repelled the Houthi advances and reported heavy fighting that lasted "more than eight hours" in the Ablah region south of Marib city, a military source said.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2021 TRT World.