An Iranian power plant has been hit by an explosion, the country’s official news agency has reported.
There were no casualties after the blast in the central Isfahan province, according to IRNA.
It was caused by the wear and tear of a transformer, the managing director of the Isfahan power company told the news agency.
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Power was interrupted for two hours, he said.
There have been several explosions and fires around Iranian military, nuclear and industrial facilities since late June.
A blaze broke out at a power station in southwestern Iran towards the start of July.
It came days after a fire broke out at a nuclear facility in the cenral city of Natanz.
A former official suggested the blaze could have been an attempt to sabotage work at the plant, which has been involved in activities that breach an international nuclear deal.
On 26 June, an explosion occurred east of Tehran near the Parchin military and weapons development base that the authorities said was caused by a leak in a gas storage facility in an area outside the base.
Other recent incidents reported by Iranian news agencies include a fire at industrial complex where gas condensate storage tanks are sited, one at a petrochemical factory and an explosion in Tehran, the capital, which killed two people.
Additional reporting by agencies