Earlier, Iranian authorities announced that a "large US cyber-espionage" network run by the CIA had been busted in the country, with several spies being arrested, APA reports citing Sputnik.
According to semi-official Fars news agency citing an Iranian intelligence ministry official, 17 CIA-trained spies have been identified.
One of the arrested had been sentenced to death, ministry official said.
The media report, which has yet to be confirmed, follows Tehran's announcement on 17 June that the country had dismantled a CIA-run "large US cyber-espionage" network.
In June, Iranian defence employee, Jalal Haji Zwar, who allegedly collaborated with the CIA and spied for the United States, has been executed in Rajaishahr Prison. Jalal Haji Zwar worked as a contractor for the ministry-controlled Aerospace Industries Organization, but was dismissed in 2010.
Earlier, two oil tankers, the Panama-registered Kokuka Courageous, operated by Japan's Kokuka Sangyo Co, and Marshall Islands-flagged Front Altair, owned by Norway's Frontline, were hit by explosions in the Gulf of Oman, near the Strait of Hormuz.
Shortly after the incident, US Secretary of State Mike Pompeo accused Tehran of orchestrating the attacks, with the US CENTCOM releasing a video claiming to show Iranian sailors removing