Despite Iran’s denials that it is on the path to a nuclear bomb, new evidence charges that the Islamic republic has an “underground top-secret site” that is enriching uranium intended for nuclear weapons that has been hidden from the West for years.

According to the Iranian opposition group, the National Council of Resistance of Iran (NCRI), the complex, called Lavizan-3, is right outside Tehran, “buried deep underground in tunnels and underground facilities” with “radiation-proof doors” to prevent any leaks that could be detected by the United Nations International Energy Agency inspectors.

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