Attacks on King Fahd International Airport in Dammam and Aramco's Shaybah oilfield have left three civilians dead, Saudi authorities reported on Thursday.
The attack on the airport, carried out on Wednesday evening, also left eight civilians wounded, the Saudi Press Agency reported.
It said the injuries ranged from minor to critical, with those affected transported to the hospital for necessary medical care.
The attack also caused property damage, the extent of which is currently being assessed, the authorities said, adding that more updates will be provided later.
Meanwhile, two people were killed after Saudi air defences intercepted a drone that was attempting to hit a facility at Saudi Aramco's Shaybah oilfield on Wednesday, the energy ministry said.
The incident caused a vehicle fire outside the facility's perimeter but did not affect operations at the field, the ministry said, citing an official source.
"The attempted attack resulted in the deaths of two residents, one Filipino and one Nepali, and injuries to two residents, one Pakistani and one Indian, due to falling debris following the interception," the ministry said.
Four drones were also intercepted by Yemen's Saudi-led coalition on Tuesday in the eastern region of the Kingdom.
The incidents come amid an escalation of strikes by Houthis on Saudi Arabia since early October, with its airports and civilian infrastructure targeted.

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