Japan voices concern over Iran’s announcement to raise uranium enrichment level April 17, 2021 In a statement announced here on Friday, the spokesman of the Japanese foreign ministry called Iran to commit to the joint comprehensive working plan, to refrain from taking any measurement that may undo the accord, and work in a constructive manner aiming at solving the dispute, through dialogue. RIYADH — Japan has expressed serious concern over Iran's announcement of producing enriched uranium, at 60 percent, a high level that puts it near the capacity to produce nuclear weapons, the Saudi Press Agency reported on Friday. In a statement announced here on Friday, the spokesman of the Japanese foreign ministry called Iran to commit to the joint comprehensive working plan, to refrain from taking any measurement that may undo the accord, and work in a constructive manner aiming at solving the dispute, through dialogue.