Saudi Arabia said two men who were shot and killed last week in the eastern city of Dammam had been planning an attack and were in possession of explosives that could have been used to deploy a car bomb.
Saudi Arabia's Aramco crude oil facilities in Abqaiq and Khurais were attacked on Sept. 14, cutting oil production by nearly six million barrels a day.
Britain has concluded that Iran was responsible for attacks on oil facilities in Saudi Arabia, U.K. Prime Minister Boris Johnson said Sunday.
Kuwait raised security levels at its ports following an attack on Saudi Arabia's oil industry, as journalists toured one field affected by the assault.
Iran: An attack over a drone-and-missile strike on Saudi Arabia's oil industry will result in "all-out war," further pushing up tensions.
The United Nations says its panel of experts on Yemen have arrived in Saudi Arabia to investigate an attack on the kingdom's oil facilities.
One of the deadliest incidents of the Yemen War is coming back to cause trouble for the Saudi authorities, with a call for war crimes investigations in the U.S. and U.K. launched today.
These latest tanker attacks will escalate already rising tensions in the immediate aftermath of the attack on Abha International Airport.
King Salman delivered his remarks at Arab summits in Mecca that were hastily convened after a spike in tensions between Saudi Arabia and its rival Iran.