The officials said the toll is expected to rise, with several women and children in critical condition.
The attack was part of an ongoing offensive by a Saudi-led coalition.
Injuries were also reported, according to UNHCR, with a number of people taken to nearby hospitals.
Infamous 86-year-old jewel thief arrested once again
A notorious worldwide jewel thief on house arrest was detained and charged with shoplifting at an Atlanta-area Walmart on Monday. Doris Payne, the octogenarian famed for swiping huge amounts of high-priced bling over the years, has been arrested again.
The conflict intensified in March 2015, when the Houthis advanced on Hadi's southern power seat of Aden, prompting Saudi Arabia and fellow Sunni allies to start an air campaign in Yemen against the Shiite rebels.
"[Children] are facing threats from all sides, they've got the threat of airstrikes from above, which are continuous - just in the past few weeks we've seen [bombs] landing on marketplaces where civilians have been killed", Caroline Anning, senior conflict and humanitarian advocacy adviser at Save the Children, said to the Guardian.
According to Save the Children, over 4,000 children have been killed or injured as a direct effect of the conflict, while half a million children are estimated at risk of dying from malnutrition.
"It also illustrates the difficulties in the delivery of humanitarian protection and assistance in Yemen..."
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NAIJ.com understands that both teams are not new to each other as they have met previously in the Champions League severally. Following that, both Bayern and Chelsea will travel to Singapore where they will clash at the National Stadium next Tuesday.
According to a joint report prepared by Save the Children and Watchlist on Children and Armed Conflict, the coalition committed "grave violations against children" in a series of 23 attacks on civilian sites, including the bombing of hospitals and schools.
Yemen's internationally recognised government confirmed that around 20 people were killed in the al-Atera village.
The attack on Tuesday afternoon hit a group of civilians in the Mawza district of the southwestern province of Taez, a statement by the United Nations refugee agency said.
The UNHCR has said that this attack "demonstrates the extreme danger facing civilians in Yemen, particularly those attempting to flee violence".
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India was trailing the Lankans after conceding the first Test but fought back bravely to win a historic series. We have created a culture that we can win a Test of a series in any condition.
While the conflict is killing 75 people every day, according to United Nations figures, many more are falling victim to a cholera outbreak and severe food shortages pushing the country to the brink of starvation.