A key sticking point: International sanctions on Iran

Paul AdamsDiplomatic correspondent The Islamic regime has suffered crippling international sanctions for decades. It's demanding the lifting of all US and international sanctions as part of any deal. On Friday, the speaker of parliament, Mohammad Bagher Qalibaf, said an estimated $120bn (£89bn) of frozen Iranian assets must be released before negotiations begin. This, he said, was one of two previously agreed measures (the other being a ceasefire in Lebanon). But the 7 April statement from Pakis