https://www.timesofisrael.com/irans-nuclear-chief-we-bought-spares-for-nuke-equipment-we-agreed-to-destroy/

Ali Akbar Salehi says supreme leader was convinced West would renege on 2015 pact, so replacement tubes for nuclear reactor were secretly purchased

Head of Iran's Atomic Energy Organisation Ali Akbar Salehi adjusts his earphones during a news conference at the European Commission headquarters in Brussels, November 26, 2018. (Francisco Seco/AP)