At least 15 people in Yemen have died after summer monsoons triggered flash flooding in areas where infrastructure has been decimated by Saudi-led coalition bombing, it has emerged.

According to Houthi rebel controlled media, on Wednesday torrential rain flooded a highway between the city of Taiz and al-Maqatira killing at least 10 people as cars were swept away. Another eight people remain missing.

Homes and cars were also destroyed in Jibla in central Yemen in flooding that killed at least five people, eyewitnesses told local media and Anadolu news agency. Several more people are missing and feared dead.

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“We haven't seen rainfall like this in 20 years,” Ali al-Kubati, a resident of al-Maqatira, told Anadolu.

“Trucks and cars have been swept away by the floodwaters and several people have lost their lives,” he added. Lack of proper drainage and sewer systems - as well as damage to existing roads and buildings - are feared to have contributed to the situation.

Rescue operations continued long into the night but no survivors or bodies were recovered.

The situation in Yemen Show all 14 1 /14 The situation in Yemen The situation in Yemen Houthi supporters trample on a US flag during a gathering mobilizing more fighters into several Yemeni battlefronts, in Sana'a, Yemen EPA The situation in Yemen People carry the coffins of men, who were killed in the recent Saudi-led airstrikes during their funeral, in the Old City of Sanaa, Yemen AP The situation in Yemen Pro-government fighters give food to Yemeni children on the road leading to the southwestern port city of Mokha. Yemeni rebels are putting up fierce resistance in a key Red Sea port city where they are encircled by pro-government force Getty Images The situation in Yemen A Yemeni stands in front of a graffiti protesting US military operations in war-affected Yemen, in Sana'a, Yemen. According to reports, US Special Forces troops allegedly disembarked from US helicopters in the Yemeni town of Yakla and attacked several houses belonging to members of the terrorist group Al-Qaeda, killing three high-ranking Al-Qaeda members and nine civilians, six women and three children. One American serviceman has been killed and three injured in the attack EPA The situation in Yemen US Special Forces troops allegedly disembarked from US helicopters in the Yemeni town of Yakla and attacked several houses belonging to members of the terrorist group Al-Qaeda, killing three high-ranking Al-Qaeda members and nine civilians, six women and three children. One American serviceman has been killed and three injured in the attack EPA The situation in Yemen A Yemeni female fighter supporting the Shiite Huthi rebels, and carrying weapons used for ceremonial purposes, takes part in an anti-Saudi rally in the capital Sanaa Getty Images The situation in Yemen Yemeni female fighters supporting the Shiite Huthi rebels, and carrying weapons used for ceremonial purposes, take part in an anti-Saudi rally in the capital Sanaa Getty Images The situation in Yemen A boy shouts slogans next to pro-Houthi fighters, who have been injured during recent fighting, during a rally held to honour those injured or maimed while fighting in Houthi ranks in Sanaa, Yemen Reuters The situation in Yemen Balls of fire and smoke rise from a Houthi-held military camp following alleged Saudi-led airstrikes, in Sana'a, Yemen EPA The situation in Yemen Yemenis search under the rubble of damaged houses following reported Saudi-led coalition air strikes on the outskirts of the Yemeni capital Sanaa Getty Images The situation in Yemen A Yemeni boy looks on as Yemenis search under the rubble of damaged houses following reported Saudi-led coalition air strikes on the outskirts of the Yemeni capital Sanaa Getty The situation in Yemen A Yemeni boy sits amidst the rubble of damaged houses following reported Saudi-led coalition air strikes on the outskirts of the Yemeni capital Sanaa AFP/Getty The situation in Yemen Marine One with US President Donald Trump flies with a decoy and support helicopters to Dover Air Force Base in Dover, Delaware, for the dignified transfer of Navy Seal Chief Petty Officer William 'Ryan' Owens who was killed in Yemen Getty Images The situation in Yemen US President Donald Trump aboard the Marine One to greet the remains of a US military commando killed during a raid on the al Qaeda militant group in southern Yemen on Sunday, at Dover Air Force Base, Delaware, US Reuters

The flooding will further complicate aid efforts in the conflict-riven country, where 70 per cent of the 22-million-strong population is reliant on some form of humanitarian aid after almost three years of full-scale conflict.

Riyadh and its allies have extensively bombed Houthi rebels in charge of Yemen’s capital and north since March 2015 at the request of the exiled, internationally recognised president, Abdrabbuh Mansour Hadi, fearing Iranian influence.

The campaign has been repeatedly criticised for causing an excessive loss of civilian life. Saudi blockades on Yemen’s ports and airspace have also been blamed for causing the current famine facing seven million people as well as the worst cholera outbreak in modern history, which has infected 500,000 people and killed more than 2,000.

Earlier this week, Human Rights Watch (HRW) and 56 other international non-governmental organisations urged the United Nations to establish an international body to investigate abuses they say may amount to war crimes committed by all the warring parties in Yemen.