Collapse of Iran nuclear deal would be 'great loss' says UN watchdog chief
US President Donald Trump has threatened to pull out of the deal unless Congress and European allies help "fix" it with a follow-up agreement.
Missiles and a portrait of Iran's Supreme Leader Ayatollah Ali Khamenei in Baharestan Square in Tehran, Iran(photo credit: NAZANIN TABATABAEE YAZDI/ TIMA VIA REUTERS)ByREUTERS
