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Yemen's rebel Houthi movement has launched drones at a Saudi airport, the second such attack in two days.

Five drones targeted Abha airport and the nearby city of Khamis Mushait, Saudi officials said in a statement.

No casualties were reported and Abha airport was said to be running normally without any disruption to flights. An attack on Abha on Wednesday injured 26 people.

Yemen has faced consistent bombing by coalition forces since March 2015.

The country has been devastated by the conflict, which escalated when the rebels seized control of much of the west of the country and forced President Abdrabbuh Mansour Hadi to flee abroad.

Alarmed by the rise of a group they believed to be backed militarily by regional Shia power Iran, Saudi Arabia and eight other mostly Sunni Arab states began an air campaign aimed at restoring Mr Hadi's government.

In a statement, the Saudi-led coalition said: "The royal Saudi air defence force and air force successfully intercepted and destroyed five unmanned drone aircraft launched by Houthi militia towards Abha international airport and Khamis Mushait."

The Houthi-run channel Al Masirah TV confirmed the group had carried out a drone attack on the airport.

After Wednesday's assault, Al Masirah TV reported that the rebels had launched a cruise missile at the airport - a claim that Saudi officials said they were investigating.

Saudi Deputy Defence Minister Prince Khaled bin Salman later said that attack and others were "ordered by the regime in Tehran". Iran denied it was involved, as did the Houthis.

In response, the coalition launched air strikes on the rebel-held Yemeni capital, Sanaa, which reportedly killed at least six people, including four children.

The UN says the fighting in Yemen has left at least 7,000 civilians dead and 11,000 injured. About 65% of the deaths have been attributed to coalition air strikes.

Thousands more civilians have died from preventable causes, including malnutrition, disease and poor health.

In December, both sides agreed to a local ceasefire and withdrawal of forces around the key Red Sea port city of Hudaydah, through which most of Yemen's aid is delivered. But elsewhere the violence has continued unabated.