The Israeli regime reportedly gave the administration of US President Joe Biden a last-minute notice before an act of sabotage at Iran's Natanz nuclear facility earlier this year.

The IAEA says samples taken from Natanz nuclear facility show Iran has enriched uranium to up to 63 percent, adding that the purity level is “consistent with the fluctuations” announced by the Islamic Republic.

The UN nuclear agency confirms that Iran has installed extra advanced centrifuges at its Natanz nuclear facility.

An attack on Iran’s Natanz nuclear enrichment facility.

American scholar Richard A. Falk believes Israel was behind the recent act of sabotage at Iran’s Natanz nuclear facility, saying the attack aimed to derail efforts to revive the 2015 nuclear deal.

Parliament Speaker Mohammad Baqer Qalibaf says Iran’s recent decision to start enriching uranium to 60 percent purity was a “decisive response” to a plot to undermine Tehran’s position in Vienna talks.

An American political analyst says Iran should scale up its civilian nuclear program, irrespective of acts of sabotage in its nuclear sites.