New Delhi, June 24 -- The head of the United Nations' nuclear watchdog said Wednesday that inspectors will eventually gain access to Iran's uranium enrichment facilities, a critical component of the interim agreement reached between the United States and Iran following last year's conflict.

Speaking at a news conference at Japan's Fukushima Daiichi nuclear power plant, International Atomic Energy Agency (IAEA) Director General Rafael Mariano Grossi expressed confidence that inspections would proceed.

"I can understand political statements, they are part of the reality," Grossi said. "But the fundamental thing I would like to remind you and draw your attention to is that there has been a Memorandum of Understanding, signed by both presid...