Editor's note

As Iran reels from the shock of the ISIS attack on its soil, the Middle East could be on the verge of plunging into turmoil. Mohammadbagher Forough explains how a series of events, from Donald Trump’s May 21 visit to Riyadh and Qatar’s rift with its neighbours to yesterday’s ISIS attacks in Tehran, has reignited tensions between Iran and Saudi Arabia.

Clea Chakraverty

Commissioning Editor

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A boy is evacuated during an attack on the Iranian parliament in central Tehran on June 7 2017. Omid Vahabzadeh/ REUTERS

ISIS attacks in Tehran could plunge the Middle East into greater turmoil

Mohammadbagher Forough, Leiden University

Terrorist attacks in Iran are evidence that, in the Middle East, there are far too many moving parts for US President Donald Trump's recent trip to have changed much on the ground.

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    Charles Hankla, Georgia State University

    While security concerns have punctuated the campaign's closing days, Brexit remains the most important issue on voters' minds. How the EU exit is managed will matter a great deal to US interests.