UN Secretary General Guterres said Iran could not be identified behind the attack on two Saudi oil plants in September.

UN investigators were given access to the fragments of weapons used in the attack on two Aramco oil plants in Saudi Arabia in September, UN Secretary General Antonio Guterres said. on December 10 in a report to the Security Council on Iran's nuclear program.

However, the investigation cannot "independently certify that the cruise missiles and unmanned aircraft used in these attacks originated from Iran," the report said.

Secretary-General Guterres said further investigations into the attack were ongoing and would be submitted to the Security Council after the conclusion.

Unmanned aerial vehicles and cruise missiles hit September 14 at two Aramco oil production facilities in Abqaiq and Khurais, Saudi Arabia. Houthi rebels in Yemen have claimed responsibility for carrying out the attack, but the US says Iran is the mastermind. Iran immediately countered, calling the US accusations "meaningless", in order to justify action against Tehran.