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IAEA: Iran continues to expand stockpile of enriched uranium

FILE - In this Wednesday, Aug. 26, 2020 file photo, Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi from Argentina, speaks to the media after returning from Iran at the Vienna International Airport. Representatives of Iran and the world powers working to save the nuclear deal with Tehran agreed Tuesday, Sept. 1, 2020, in Vienna to do everything possible to preserve the landmark 2015 agreement in their first meeting since the United States announced a bid to restore United Nations sanctions against the Islamic Republic. (AP Photo/Ronald Zak, File)
FILE - In this Wednesday, Aug. 26, 2020 file photo, Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi from Argentina, speaks to the media after returning from Iran at the Vienna International Airport. Representatives of Iran and the world powers working to save the nuclear deal with Tehran agreed Tuesday, Sept. 1, 2020, in Vienna to do everything possible to preserve the landmark 2015 agreement in their first meeting since the United States announced a bid to restore United Nations sanctions against the Islamic Republic. (AP Photo/Ronald Zak, File) FILE - In this Wednesday, Aug. 26, 2020 file photo, Director General of International Atomic Energy Agency, IAEA, Rafael Mariano Grossi from Argentina, speaks to the media after returning from Iran at the Vienna International Airport. Representatives of Iran and the world powers working to save the nuclear deal with Tehran agreed Tuesday, Sept. 1, 2020, in Vienna to do everything possible to preserve the landmark 2015 agreement in their first meeting since the United States announced a bid to restore United Nations sanctions against the Islamic Republic. (AP Photo/Ronald Zak, File)

VIENNA (AP) – Iran continues to increase its stockpile of enriched uranium in violation of limitations set in a landmark deal with world powers, but has begun providing access to sites where it was suspected of having stored or used undeclared nuclear material and possibly conducted nuclear-related activities, the U.N.’s atomic watchdog agency said Friday.

The International Atomic Energy Agency reported in a confidential document distributed to member countries and seen by The Associated Press that Iran as of Aug. 25 had stockpiled 2,105.4 kilograms (2.32 tons) of low-enriched uranium, up from 1,571.6 kilograms (1.73 tons) last reported on May 20.

Iran signed the nuclear deal in 2015 with the United States, Germany, France, Britain, China and Russia. Known as the Joint Comprehensive Plan of Action, or JCPOA, it allows Iran only to keep a stockpile of 202.8 kilograms (447 pounds).

The IAEA reported that Iran has also been continuing to enrich uranium to a purity of up to 4.5%, higher than the 3.67% allowed under the JCPOA. It said Iran’s stockpile of heavy water – which helps cool nuclear reactors – had decreased, however, and is now back within the JCPOA limits.

The nuclear deal promised Iran economic incentives in return for the curbs on its nuclear program. President Donald Trump pulled the U.S. out of the deal unilaterally in 2018, saying it needed to be renegotiated.