Attack on nuclear site seen as latest in a string of failures for IRGC; criticism of paramilitary force leaks out ahead of election

Nuclear negotiator also says 1,000 more centrifuges will be installed at Natanz nuclear facility, the site of a recent attack blamed on Israel

Iranian FM says Tehran can now legitimately use any capacity it has at Natanz after 'terrorist stupidity'; Russia's Lavrov says Moscow expects nuke deal to be saved

NY Times cites officials who say device was smuggled into plant; Tehran lawmakers call for suspension of nuclear talks; US officials don't know if Iranians will show up in Vienna

Iran insists atomic goals are peaceful, but has long been accused of secret weapons program; meanwhile, Tehran blames US and Israel for cyberattacks, explosions and assassinations

Biden's press secretary says incident at Natanz enrichment facility won't derail talks on American return to nuclear deal

Unsourced report says enrichment facility entirely stopped functioning since explosion, estimates blast set back Iran's nuclear program by months

Blast occurred in the nuclear enrichment facility's electricity distribution center, according to Iranian atomic agency spokesman, who vows 'revenge on the Zionist regime'

Defense minister requests attorney general look into intelligence officials quoted by Israeli, foreign press on strike at Iran's Natanz nuclear site

Efraim Halevy says potential retaliation by Tehran dependent on its upcoming elections, nuclear talks with US; adds Iran has means to hit Israel that it hasn't previously used