UK, France and Germany have triggered dispute mechanism in nuclear deal that could reimpose sanctions on Iran

US president’s actions have made Iran’s place in the world more volatile and unstable

The US should take seriously Tehran’s efforts to put an end to the cycle of violence

Suleimani killing puts intense pressure on US-Iraq links 17 years after US invasion

Analysis: Iranian general’s killing may be one of Trump’s most dangerous decisions

Foreign ministry counters accusations from US secretary of state with threats to US bases

US national security adviser says all options on table if Iran exceeds uranium enrichment limit

Move will deny access to ‘key financial resources’ for eight senior figures

Statement comes in response to calls from US president for talks on new nuclear deal

US president has kept Tehran on edge by mixing threats with statements downplaying odds of war

German leader gets standing ovation after airing US grievance list at security forum

Nazanin Zaghari-Ratcliffe begins hunger strike in protest over poor medical treatment

Persian carpet and pistachio imports hit by ban with measures to target cars and oil

US secretary of state’s speech seen as advocating Tehran regime change

The climax of the president’s starring role could turn out to be impeachment

Growing signals that US may withdraw from agreement Donald Trump has called ‘worst ever’

Netanyahu accuses Tehran of lying about nuclear weapons activities after 2015 deal

Waiver on existing sanctions extended as US warns Iranian regime over ‘stifling basic freedoms’

US secretary of state is in Ireland for talks with Charlie Flanagan on Northern Ireland

World Economic Forum to grapple with big issues from climate change to refugee crisis