APA problem with electrical power caused an incident in Iran's Natanz underground nuclear facility, Iranian Press TV reported, a day after Tehran launched new advanced uranium enrichment centrifuges in the site.
"The incident caused no casualties or pollution," Iran's Atomic Energy Organization spokesman Behrouz Kamalvandi said.
Last year, a fire broke out at the Natanz nuclear facility, which the government said was an attempt to sabotage Iran's nuclear programme.
"Electricity was affected at the Natanz facility," Kamalvandi said.
"The incident caused no casualties or pollution," Iran's Atomic Energy Organization spokesman Behrouz Kamalvandi said.
Last year, a fire broke out at the Natanz nuclear facility, which the government said was an attempt to sabotage Iran's nuclear programme.
"Electricity was affected at the Natanz facility," Kamalvandi said.
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