India, June 23 -- Rafael Mariano Grossi, the head of the United Nations nuclear watchdog IAEA said on Monday that "very heavy damage" is expected at Iran's underground nuclear facility at Fordow after the US strike there that took place this weekend with sophisticated bunker-buster bombs that were dropped by B-2 Spirit heavy strategic bombers.

As Grossi spoke, Iran's underground facility at Fordow was being attacked again, Iranian state television reported Monday. Follow Israel Iran conflict live updates

Rafael Mariano Grossi, the head of the International Atomic Energy Agency (IAEA), speaking at emergency meeting of the organisation's headquarters in Vienna, said "Given the explosive payload utilised and the extreme vibration sensitive...