Cairo: Yemen's Iran-aligned Houthis launched drone attacks on Saudi Arabia's Abha airport and the air base of Khamis Mushait on Sunday, the group's military spokesman told a private TV channel.
The spokesman told Al Masirah TV that the drones attacked the control towers at the two sites, both located in the southwest of the kingdom. There was no confirmation from Saudi authorities.
The Houthis, who control the Yemeni capital, Sanaa, have stepped up their attacks against targets in Saudi Arabia in the past few months.
The Saudi-led coalition fighting the Houthis has targeted military sites belonging to the group, especially around Sanaa, in response.
The escalation in violence threatens a UN-sponsored deal for a ceasefire and troop withdrawal from the flashpoint coastal city of Hodeidah, which became the focus of the war last year when the coalition tried to seize its port.
The port is the Houthis' main supply line and a lifeline for millions of Yemenis.
On June 12, a rebel missile attack on the international airport in the southwestern city of Abha wounded 26 civilians, drawing promises of "stern action" from the coalition.
Later on June 23, the rebels attacked a civilian airport in southern Saudi Arabia killing a Syrian national and wounding seven civilians.