Worldview: The fact that the most radical Palestinian groups are fundamentalist Sunni Muslims or Marxists never deterred the Shia Muslim Islamic Republic from arming, financing and training them

Tehran running lengthy campaign to end isolation by strengthening bilateral relations with friendly countries

Relations between two countries severed in 2016 when Riyadh executed dissident Saudi Shia cleric and Iranian protesters ransacked Saudi embassy in Tehran

The US and China seem prepared to talk, but trust levels, which were already low, have plummeted

Thirty-five have died in demonstrations sparked by death in custody of a woman held by morality police

Talks bogged down after Russia demands trade guarantee

European mediator working to return US and Iran to compliance possibly by March 7th

US authorises South Korea to release $18m from blocked deposits to pay Tehran’s UN arrears

Regime sees commander killed in US drone strike as way to woo younger generations

Experts warn next nuclear crisis could be just months away as room for compromise shrinks

Thousands leave for Turkey and further afield each year, worn down by the long-running impact of US sanctions and hardliners’ resistance to change

UK foreign secretary calls gathering ‘last chance for Iran to come to the negotiating table’

Mohammed bin Salman meets other Arab leaders ahead of Riyadh summit next week

US indicates new Iranian administration arrived in Austria without practical proposals

Envoy says US will not stand ‘idly by’ if Iran stalls on negotiations while it ramps up nuclear programme

Negotiations to resume this month but Tehran officials say deal no longer a priority

Talks between rivals reflect tentative de-escalation in Middle East in wake of Joe Biden’s election

Saudi king voices support for efforts to prevent Iran from developing nuclear weapons

Abdul Ghani Baradar gets glowing write-up in magazine’s list of ‘extraordinary leaders’

Mustafa al-Kadhimi’s trip to Tehran is timely ahead of October 10th election