The PIF, which was implicated in the premeditated murder of journalist Jamal Khashoggi in 2018 and in several human rights violations, is tightly controlled by Saudi Crown Prince Mohammed bin Salman.
Kyiv's attacks on Russian refineries and commercial warehouses have brought the war into Russians' daily lives, just ahead of elections scheduled for September 18-20.
The incident occurred on Monday, the same day that NATO jets shot down a drone over Lithuania, the latest security incident on the alliance's eastern flank during Russia's war with Ukraine.
Clips created using stolen footage from the internet shows deepfakes of prominent US stars denouncing the Democrats. Disinformation researchers said the deepfake videos appear to be the work of a Kremlin campaign known for littering social media with doctored videos.