Minister of State for Foreign Affairs Adel al-Jubeir said the weapons used were Iranian and vowed to release the full findings of the investigation.
Iran denies involvement in the attacks.
Earlier, a senior Iranian military official said Iran was ready to destroy any aggressor after the US announced it was sending troops to Saudi Arabia.
Iranian-backed Houthi rebels in Yemen have said they were responsible for the drone and missile strikes on 14 September that affected the global oil supply.
Tensions between the US and Iran have escalated since US President Donald Trump abandoned a deal limiting Iran's nuclear ...
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