In London David Cameron warned that Isis militants in Iraq and Syria were the "biggest threat to national security that exists today", as Britain announced plans to reopen its Tehran embassy, closed since an attack in 2011. William Hague, the foreign secretary, said the UK and Iranshared an interest in stability in the region. He also described talk of joint military action in Iraq as "far too ambitious and unrealistic".
The UK-Iranian rapprochement has been in the making for months following last year's Iranian election, President Hassan Rouhani's more conciliatory approach, and an interim agreement on Iran's civil nuclear programme. But it was given an urgent push by the need to try to involve Iran in stabilising Iraq.
The UK-Iranian rapprochement has been in the making for months following last year's Iranian election, President Hassan Rouhani's more conciliatory approach, and an interim agreement on Iran's civil nuclear programme. But it was given an urgent push by the need to try to involve Iran in stabilising Iraq.