Iran is "exploiting the time to modify nuclear facilities in ways that could diminish the impact of a potential military strike on those sites and their outcomes,” sources said.

CAIRO (Reuters) -International Atomic Energy Agency (IAEA) chief Rafael Grossi said Iranians warned him that an Israel strike on the country's nuclear facilities could cause Iran to be more determined about developing a nuclear weapon, according to an interview broadcast and published on Monday.

The U.S. is on high alert as fears grow over a potential Israeli strike on Iran amid faltering nuclear talks and rising regional tensions.