Iran's Natanz nuclear site (AP) (AP)
Iran's Natanz nuclear site

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Israeli media speculated the incident was the result of a cyber attack but offered no proof or source.

Iran state media reported an electrical “incident” at the country’s Natanz nuclear plant just hours after it inaugurated new devices to speed up the enrichment of uranium.

Meanwhile, negotiations in Vienna to revive the Iran nuclear deal continue.

No injuries or contamination had occurred, a spokesperson for the nuclear site said.