The strikes by the Saudi-led coalition on a prison in Houthi territory killed at least 70 detainees, wounded dozens others, and they caused disruption of internet services in the war-torn country.
The friendly fire incident follows an escalation in fighting between the Houthis and Yemeni government forces around the central city of Marib.
Thousands of internally displaced people in Yemen have no option but to flee from one location to another in a country beset by violence since Houthi rebels overran much of it, including the capital Sanaa, in 2014.
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.
A fire that erupted at an overcrowded detention centre in Yemen's capital on Sunday killed at least eight people and injured more than 170 migrants with 90 of those in critical condition.
Riyadh led a military coalition into Yemen in 2015 to prop up the government, but it has struggled to oust the war-torn country's highly motivated guerrilla opponents.
Yemen’s internationally recognised government has welcomed US President Biden’s renewed efforts to end the region’s conflict, sentiments echoed by Iran-backed Houthis as grinding six-year war perpetuates world’s “worst humanitarian disaster”.
UAE forces have joined Saudi Arabia in the hugely controversial conflict in Yemen where the UAE-Saudi coalition is battling Houthi rebels in a war activists feared is mired in rights violations.
A brutal five-year conflict, drop in foreign aid, widespread malnutrition and a deadly pandemic have combined to form a humanitarian disaster in Yemen as the Saudi-led coalition starts a new operation.
Faced with funding shortfalls, the UN has already ended a vaccination campaign and scrapped plans for nutrition centres, shelters and mental health clinics and has shuttered a water purification plant for farmers.
Negotiations in Jordan will attempt to verify names of about 15,000 prisoners to be exchanged by both sides, some of whom include Saudis and other nationals fighting on the Aden government's side.
The war in Yemen has caused a major health crisis across the country and kidney failures alone have taken 1,200 lives so far.
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