Key facts
- Loud booms were heard near Saudi Aramco's headquarters in Dhahran.
- Saudi Aramco's headquarters in Dhahran was evacuated.
- One source reported seeing smoke coming from Aramco headquarters.
- Saudi civil defense issued an alert for potential danger in Riyadh.
- A loud boom was heard in Riyadh following the alert.
Loud booms were heard in the vicinity of Saudi Aramco's headquarters in Dhahran, which had been evacuated, six sources told Reuters. One source reported seeing smoke coming from the headquarters. There was no official comment or confirmation from Aramco. Separately, Saudi civil defense issued an alert for potential danger in the capital Riyadh, and a loud boom was subsequently heard in that city.