Official: Iran to enrich uranium to 60%, highest level ever JON GAMBRELL, Associated Press FacebookTwitterEmail 6 1of6FILE - This file photo released Nov. 5, 2019, by the Atomic Energy Organization of Iran, shows centrifuge machines in the Natanz uranium enrichment facility in central Iran. An Iranian nuclear negotiator says Tuesday, April 13, 2021, Tehran will begin enriching uranium to 60% purity after an attack on its Natanz nuclear facility, higher than the program ever has before. (Atomic Energy Organization of Iran via AP, File)APShow MoreShow Less 2of6In this photo released by the Iranian Foreign Ministry, Iranian Foreign Minister Mohammad Javad Zarif, right, and Russian Foreign Minister Sergey Lavrov greet each other by touching elbows and wear face masks to curb the spread of COVID-19 prior to their talks in Tehran, Iran, Tuesday, April 13, 2021. Iran's foreign minister warned Tuesday that an attack on its main nuclear enrichment site at Natanz affects ongoing negotiations in Vienna over its tattered atomic deal with world powers. (Iranian Foreign Ministry via AP)APShow MoreShow Less