IR40 Heavy Water reactor facility, near Arak, Iran. Photo: wiki commons.

Ynet/Reuters – Iran appears to be making headway in building a research reactor that could yield potential nuclear weapon material, adding to Western concerns about Tehran’s atomic aims, experts and diplomats say.

The West’s worries about Iran are focused largely on underground uranium enrichment plants at Natanz and Fordo, but it is also pressing ahead with construction of a heavy-water reactor near the town of Arak, which analysts say could produce plutonium for nuclear arms if the spent fuel is reprocessed.

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