File photo released on November 5, 2019 by the Atomic Energy Organization of Iran shows centrifuge machines in the Natanz uranium enrichment facility in central Iran. (Photo: CFP)

Iran has started enriching uranium to 60% purity with IR6 centrifuges at its Fordow Fuel Enrichment Plant (FFEP), Iran's SNN network reported on Tuesday.

Iran will also build a new set of centrifuges at the site, the network added.