Story highlights Any international agreement would rely on inspections

Iran says that its nuclear program is for peaceful purposes

Negotiators have set a June 30 deadline for a final agreement

(CNN) Iran's Supreme Leader has said the country will not allow any inspections of its military facilities, the official state news agency reported Wednesday.

The announcement might set back international efforts to reach an agreement that would assure the world that Iran is not developing nuclear weapons. Any such agreement would rely on international inspections of Iran's nuclear facilities.

Iran: Program is for peaceful purposes

On the other hand, Iran says that its nuclear program is for peaceful purposes only, so the country's nuclear facilities might not be covered by the statement by Ayatollah Ali Khamenei , the Supreme Leader.

The statement was reported by the Islamic Republic News Agency, or IRNA.

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