VIENNA, Austria (AP) -- A report by the U.N. atomic agency says Iran is still blocking attempts to investigate allegations that it carried out research and experiments linked to a nuclear weapons program.
The International Atomic Energy Agency's report is being sent to the U.N. Security Council.
It also says Tehran continues to expand its capabilities to enrich uranium.
The report was posted on the IAEA's internal Web site Monday but was made available to The Associated Press.
Iran says it wants to enrich only to create nuclear fuel, but the process can also be used to create the fissile core of nuclear warheads.
Fears that Iran wants to create nuclear weapons have led to three sets of U.N. sanctions.
(Copyright 2008 by The Associated Press. All Rights Reserved.)
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