Foreign minister seems to suggest Tehran's enemies are behind assaults on ships in Persian Gulf, after Washington issues video it says shows Iranian forces interfering with vessel

As targeted Japan-linked vessels in Sea of Oman are evacuated amid US-Iran tensions, Khamenei rebuffs PM Abe's mediation attempts

PM says Islamic Republic 'accelerating its nuclear program,' warns Israel won't allow it to develop atomic weapons

Iranian Foreign Minister Zarif meets with German counterpart in Tehran, calls for end to US 'economic war' on his country; says Trump peace plan is 'crime against Middle East'

After Tehran increases uranium enrichment, IAEA chief Yukiya Amano says 'essential that Iran fully implements its nuclear-related commitments' under nuclear deal

German Foreign Minister Heiko Maas to visit Tehran, followed by Japanese Prime Minister Shinzo Abe in attempt to dial down tension and salvage nuclear deal

Foreign Minister Mohammed Javid Zarif reiterates 60-day deadline for EU states to grant sanctions relief in order for Tehran to continue adhering to nuclear accord

Heiko Maas to visit Tehran next week, meet with counterpart Zarif as Europe looks to salvage 2015 accord

Iranian demonstrators burn effigies of US president, Israeli PM in Tehran during annual anti-Israel protests

Saber-rattling adds to tensions in Gulf, as Tehran reiterates it does not want talks with Trump administration