Iranian foreign minister says Tehran will immediately 'reverse all remedial measures' if the US unconditionally lifts all sanctions imposed by Trump

State Department says it will accept invitation from European Union to attend meeting with deal's original participants, including Tehran

French Foreign Minister Jean-Yves Le Drian will host German and British counterparts in Paris, with America's new top diplomat Antony Blinken joining via videoconference

IAEA head to visit Tehran, ahead of Iranian intention to end snap inspections

US secretary of state won't say if Washington has reached out to Tehran, vouches for nuclear deal, says Iran still 'ways away' from being in compliance

Key date comes on February 21 when Tehran, under new law passed by conservative parliament, is set to stop allowing intrusive inspections by IAEA, unless US sanctions eased

Discussion comes as Netanyahu taps Meir Ben-Shabbat to lead talks with Washington on Iran amid concerns US heading back to nuclear deal

Meir Ben-Shabbat expected to hold discussions with Biden administration, world powers and regional partners, Walla reports, adding Netanyahu to convene strategy meeting soon

Material can be used as component in nuclear weapons; European foreign ministers have warned move has 'grave military implications'

Upping pressure, Iran's foreign minister says Washington may lose opportunity to turn the page with Tehran