International Atomic Energy Agency reportedly no longer has questions about 87.3% enriched uranium found at Fordo facility or traces of man-made uranium found at Marivan

Authorities say no damage caused to facility; incident comes as Israel appears to step up activities against Iranian interests in Syria

Tehran says it caught 'main actors of failed attempt to sabotage' defense site last month

Revolutionary Guards showcase apparent projectile at weapons exhibition in Isfahan, days after an attack on military site in the city blamed on Israel

Images reveal damaged roof at facility in Isfahan after it was attacked using bomb-carrying quadcopters on night of January 28

In letter to UN, Iran accuses Jerusalem of 'terrorism and sabotage' and says it reserves the right to 'respond resolutely to any threats by the Israeli regime'

Security establishment meeting to try and predict when Tehran's response to recent alleged Israeli strikes will come, preparing for possibility it will pursue targets abroad

Official threatens revenge as 'first indications' suggest Jerusalem carried out attack, claims Israelis using propaganda to cover up operation's failure

US officials tell NYT drone attack not aimed at stopping weapons exports to Russia; ex-PM Bennett says he intensified Iran strikes after plot to kill Israelis in Turkey, Cyprus

The alleged strike comes while talks between Jerusalem and Washington are aimed at finding new ways to counter Tehran's nuclear program