The kingdom and some other Gulf monarchies have taken part in U.S.-led air strikes against the group in Syria.
On 20 April, Saudi Arabia put security forces on alert for a possible militant attack on a shopping mall or energy installation.
Read: Riyadh to press Nawaz for more troops to fight IS threat: report
Interior Ministry spokesman Mansour Turki told Reuters, “There was information about a possible act targeting a mall or Aramco installations. We passed this information to the security forces to be on alert.”
Saudi Arabia, the world’s biggest oil exporter and key strategic ally of the United States, has been a target of militant groups for years, including al Qaeda and Islamic State.
Read: Is the Saudi connection the main problem?
This month Saudi police announced they had detained a Saudi citizen suspected of shooting dead two police officers and injuring two others in two separate attacks in Riyadh.
“Saudi Arabia is targeted by terrorism. Usually in such situations (conflicts), there are attempts by terrorist groups to take advantage and carry out attacks,” said Turki.
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