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

With threats from Tehran following blast at nuclear facility blamed on Jerusalem, Israel reportedly wanting to receive KC-46 Pegasuses, despite design problem, within 2 years

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

Israeli experts assess apparent explosion set back nuclear program by a year as photos show building flattened; Tehran says it knows what caused fire, but is not saying yet

Defense minister says Israel will do everything to prevent Tehran from going nuclear, but won't comment on specific cases

Incident in city of Ahvaz in southwest follows mysterious explosions at nuclear facility and site near Tehran, which prompted regime to issue warning to Israel and US