President Hassan Rouhani  offering his condolences to the family of killed Iranian Revolutionary Guards commander Qassem Suleimani. Photograph: Iranian Presidency/AFP/ Getty Images

July 25, 2015 – The US, Iran and other world powers including the UK announce an agreement they describe as a “first step” toward preventing Iran from(...)

Tens of thousands of Muslim pilgrims praying inside the Grand Mosque, during the Hajj in Mecca, Saudi Arabia, in 2010. The absence of Iranian Shias during the pilgrimage will further widen the rift with Sunnis. Photograph: Hassan Ammar/AP

In a sign of further tension between regional rivals, Iran will not allow its citizens to travel to Saudi Arabia for the annual Muslim pilgrimage to (...)