Armed forces spokesman says Iran probing who was behind the blast that struck alleged IRGC vessel, suspicions point to Israel and the US

State TV broadcasts grainy still shots of MV Saviz on fire and with a tall column of smoke rising into the sky; doesn't give cause of explosion

Jerusalem said to have told US it hit the Saviz vessel, reportedly a covert Revolutionary Guard base, in response to attacks on Israeli vessels

Defense minister refuses to comment on specific case; remarks come after US official attributes mine attack on alleged Revolutionary Guard ship directly to Israeli naval commandos

Jerusalem said to tell US it hit vessel in response to attacks on Israeli ships; official US report calls Saviz covert IRGC base; strike comes amid indirect US-Iran nuke deal talks

Ship allegedly targeted near Yemen said to be an intelligence-gathering vessel linked to the Revolutionary Guard Corps

Amnesty International calls for immediate release of labor activist Mehran Raoof, who was reportedly arrested while helping to translate English-language news articles into Persian

NSA said to have intercepted Revolutionary Guard chatter on mounting 'USS Cole-style attacks' against Fort McNair, a reference to deadly 2000 suicide attack in Yemeni port of Aden

Guard commander Gen. Hossein Salami says cruise and ballistic missiles stored at the site will empower force's navy further

Indian counter-terror investigators reportedly believe the IRGC tasked a local cell with planting the remote-control detonated device in January in New Delhi