Iran has long accused Israel of targeting its nuclear program through covert operations. Israeli officials, in turn, have hinted at potential strikes on Iran's nuclear sites. This exchange of threats that has intensified amid ongoing hostilities between the two nations since Israel's attacks on Hezbollah, a long-standing ally.

Rafael Mariano Grossi of the IAEA is visiting Tehran on Thursday in an effort to restore his inspectors’ access to Iran’s program and answer still-outstanding questions.