Blast at centrifuge assembly facility may have set back development by 2 years, experts tell the NY Times, with series of strikes causing 'extreme internal and external pressure'

Director at US-based Washington Institute writes that explosion at Natanz facility targeted advanced centrifuges, which Tehran needs to produce enough fissile material for a bomb

Government spokesman calls for 'limits to these dangerous actions by the Zionist regime'; Mideast official says explosion at Natanz was meant as a 'wake-up call' to Tehran

In first such admission, mouthpiece of Supreme Council of National Security claims 'combination of intelligence, logistics, action' prove explosion was no accident

2 said killed and 3 injured at facility in Kahrizak, south of Tehran; local governor says incident caused by human error as oxygen tanks were being filled

Report comes as tensions between Israel and Iran grow, following claims Jerusalem was behind bombing of Natanz nuclear facility that reportedly set back work there by 2 years

Officials says powerful bomb was used to damage building involved in centrifuge production at Natanz, denies Israeli connection to other recent fires in the Islamic Republic

US experts cite satellite images and state TV reports; previously unknown Cheetahs of the Homeland says it is behind blaze

Tehran says no casualties or radioactive pollution in Natanz incident, claims Israeli social media took credit for 'sabotage,' warns 'Zionist regime' against 'crossing red lines'

Brian Hook, US pointman on Iran, says Trump willing to use force to prevent Tehran acquiring nukes; downplays fears annexation could harm Israel's ties with Arab states