A nuclear facility in Iran was hit by a “terrorist act” a day after it unveiled new advanced uranium centrifuges, a top nuclear official says.
He did not say who was to blame but urged the international community to deal with nuclear terrorism.
Israeli media suggest the incident was a result of an Israeli cyber attack.
Last year, a fire broke out at the Natanz underground facility, which the authorities alleged was the result of cyber sabotage.
The latest incident comes as diplomatic efforts to revive a 2015 nuclear deal – abandoned by the US under the Trump administration in 2018 – have resumed.
On Saturday, Iran’s President Hassan Rouhani inaugurated new centrifuges at the Natanz site, which is key to the country’s uranium enrichment programme, in a ceremony broadcast live on television.