At first, Iranian officials denied the reports, with the governor of Isfahan later alleging that the blast was caused by an accident that had occurred during a nearby military drill.
However, a report in the Times on Wednesday alleged that the blast had not been a military accident, and that the city's nuclear facility was damaged.
The report quotes Israeli intelligence officials who based their conclusion on updated satellite images showing smoke billowing from the direction of the conversion plant.
According to the Israeli sources, there was "no doubt" that the blast had damaged the nuclear facility, and that the explosion was not an "accident."

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