India, July 2 -- Iran has admitted that the US bombing of the key Fordow nuclear site using bunker buster bombs has "seriously and heavily damaged" the facility, but has still maintained that nobody knows what exactly transpired there.

In an interview with CBS News, Iranian Foreign Minister Abbas Araghchi said that an evaluation is currently being done on the facility.

"No one exactly knows what has transpired in Fordow. That being said, what we know so far is that the facilities have been seriously and heavily damaged," Araghchi said in the interview broadcast on Tuesday.

The Fordow nuclear facility is situated deep inside a mountainous terrain and is mostly underground. The foreign minister revealed that the country's Atomic Energy O...