FM Zarif says his country may abandon the Non-Proliferation Treaty if 3 EU member states pursue further measures over its alleged violations of 2015 nuclear deal

Amid soaring tensions with US and Europe, and citing an unspecified change to the conference's program, Tehran says top diplomat Zarif will not join the annual event

Foreign Ministry in Tehran rejects 'unfounded' claim by UK, France, Germany that Tehran is violating the 2015 agreement

Parliamentary speaker responds to UK, France, Germany launch of dispute process charging Iran with failing to uphold terms of 2015 nuclear agreement, saying it's 'unfortunate'

The Halle synagogue attack was a 'nightmare' for her, Susanne Wasum-Rainer recalls, acknowledging that Germany's liberal democracy is challenged by populist, right-wing movements

Presidential hopefuls in debate say Trump made a mistake pulling US out of nuclear accord, and have voiced support for returning to deal as president

Islamic Republic reeling from US killing Soleimani to shooting down a Ukrainian airliner, while dealing with sanctions, protests and an economic meltdown

Nation's top leader says outpouring of grief for slain general shows Iranians support Islamic Republic; claims missile attack in Iraq was a 'blow to America's image'

Tehran's admission of responsibility in downing passenger jet amid high military tensions with US triggered days of street protests

Iranian president's comments come amid increasing pressure from Canada for answers to shooting down of passenger jet, fresh protests against government