As the Gulf rivalry spills into the open, Riyadh will likely seek to rein in Abu Dhabi's ambitions by targeting its newest trading partner -- Israel

Foreign ministry official in Riyadh says moves by Tehran to enrich uranium to 20% 'represent an increasing threat' to regional security and non-proliferation efforts

Riyadh and Tehran have held two rounds of Iraqi-hosted talks, narrowly focused on Yemen; the next session may be held in Muscat, which would signal a far broader regional agenda

Kingdom's foreign minister meets head of top nuclear watchdog and requests pressure to 'stop Iranian violations and policies of international laws'

Tehran foreign ministry says teams meeting with the hope of reaching 'common understanding' on establishing diplomatic relations between the 'two great Islamic countries'

Countries cut relations in 2016 but have reportedly been holding negotiations 'both bilateral and regional'

Terror group leader says any dialog involving Tehran 'contributes to calming the region'; statement comes days after Baghdad confirms Iraqi-mediated discussions taking place

Iraqi president reveals there has been more than one round of discussions that he describes as 'important and significant'

Mohammed bin Salman says Islamic Republic a 'neighboring country' and that Riyadh strives for 'good and special relationship' with it

Visiting Baghdad on the back of de-escalation talks with Riyadh, top Iranian diplomat says he hopes for 'more negotiations and understandings in the region'