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Officials of the UN nuclear agency removed seals on Iran's nuclear facilities Tuesday and research work resumed, said the deputy head of the Atomic Energy Organization of Iran.
The move is likely to increase pressure on Iran from Western nations that have called for it to cease nuclear activities until an agreement has been reached on the scope of its nuclear program.
Mohammad Saeedi told reporters at a press conference that officials of the International Atomic Energy Agency had authorized the seals' removal on Monday night.
"Today, with the powers delegated to IAEA inspectors in Iran, some of the seals that are in the field of only research were removed, and research facilities resume their work," Saeedi said.