Saudi Arabia is within months of completing its first nuclear reactor, new satellite images show, but it has yet to show any readiness to abide by safeguards that would prevent it making a bomb.

The reactor site is in the King Abdulaziz city for science and technology on the outskirts of Riyadh. The site was identified by Robert Kelley, a former director for nuclear inspections at the International Atomic Energy Agency (IAEA), who said it was very small 30-kilowatt research reactor, not far from completion.

“I would guess they could have it all done, with the roof in place and the electricity turned on, within a year,” said Kelley, who worked for more than three decades in research and engineering in the US nuclear weapons complex.

The satellite photos show that a 10-metre high steel tubular vessel, which will contain the nuclear fuel, has been erected, and construction work is under way on the surrounding concrete building.

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