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

Move could pave way for deal's final collapse; Brussels' top diplomat calls for 'intensive efforts' to solve disagreements 'in good faith by all'

Analysts say blast destroyed lab where Iran develops next generation centrifuges to speed up uranium enrichment; one source says Iran nuclear program set back two months

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'

After reports that Tehran tried to dangerously increase chlorine levels in Israel's civilian water system, overall control of defenses now being taken over by Cyber Directorate

Rabbi Yehuda Garami, in Hebrew interview, claims Jewish community has 'total freedom of religion,' defends his condolence visit to home of slain 'national hero' general

PM accuses Tehran of 'systematically' breaching 2015 nuclear deal by hiding uranium sites and enriching fissure material

Rabbi Yehuda Gerami lashes out at PM, 'Zionists' in Hebrew statement broadcast on Quds Day, saying Iranian Jews 'strongly condemn your aggressive actions'