FILE - In this Friday, Nov. 4, 2011 file photo, disaster response team members set up a decontamination tent outside Banner Gateway Medical Center in Gilbert, Ariz., a suburb of Phoenix, during a state-wide drill for a nuclear disaster. (AP Photo/East Valley Tribune, Tim Hacker)
TEHRAN,Iran (AP) -- Iran's envoy to the U.N.'s nuclear agency says traces of enriched uranium discovered at an underground bunker were due to a "routine technical issue."
Iran's official IRNA news agency on Saturday quotes Ali Asghar Soltanieh as saying that experts are studying the find.
The U.N's nuclear agency said Friday said it had found traces of uranium enriched at an Iranian site to a level that is slightly closer to the threshold needed to arm nuclear missiles than the previous highest-known enrichment grade.
Iran said the find was a technical glitch, according to the International Atomic Energy Agency report.
The agency said it was assessing that explanation, and analysts and diplomats said Iran's version sounded plausible.
The West suspects Iran is pursuing a weapons program.
Tehran denies the charge.
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