Saudi Arabia's Civil Defense lifted an alert it had announced in the southern city of Khamis Mushait on Wednesday, a day after Ansar Allah attacks there and in three other nearby cities wounded 73 people and set oil installations ablaze.
Yemen's Ansar Allah struck an airbase in Khamis Mushait and oil infrastructure in the nearby cities on Tuesday in one of the biggest attacks in Saudi Arabia since the start of the U.S.-Israeli war on Iran in February.
Saudi authorities did not provide details for the reasons behind Wednesday's alert in Khamis Mushait.
Fighting has escalated in recent months, raising fears of a return to broader conflict after a U.N.-brokered truce in 2022 largely halted years of war.
Saudi Arabia leads an Arab coalition that backs a government based in Yemen's south, which was driven from the capital Sanaa by the Ansar Allah 12 years ago. The conflict has become a theatre in the wider regional war.
The Ansar Allah declared a naval blockade against Saudi Arabia in the Red Sea in July, prompting the Saudi-led coalition to strike what it said were Houthi military facilities in Yemen.
In recent days, Saudi-backed Yemeni government forces have launched a multi-pronged offensive on Ansar Allah areas after the group attempted to advance on government positions. The government says it aims to recapture all Ansar Allah territory.
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