“The agency has discovered particles of unenriched uranium of anthropogenic origin at a facility in Iran that the IAEA has not announced,” the Twitter report said.

#UPDATE While the IAEA itself has not named the site in question, diplomatic sources have previously said the agency has been posing questions to Iran relating to a site where Israel has alleged secret atomic activity in the pasthttps: //t.co/dyuYLcIpq7pic. twitter.com/93rLMuu97Q

- AFP news agency (@AFP) November 11, 2019

On November 7, it was reported that Iran began enriching uranium at a nuclear facility in Fordo.

On November 6, the Iranian Atomic Energy Organization (OAEI) reported that the IAEA inspector was not allowed to enter the Natanz uranium enrichment plant due to operation at the input of equipment indicating the presence of “possibly suspicious” substances and materials.