Al-Monitor - Iran�s Foreign Minister Mohammad Javad Zarif acknowledged today that he had received a letter from�Robert C. O�Brien, US special presidential envoy for hostage affairs, asking for the release of detained US citizens.


He also said he had had his deputy write a letter to Secretary of State Mike Pompeo, apparently proposing a prisoner exchange, or raising the issue of Iranians arrested for alleged violations of US sanctions laws.


Zarif�s comments about the limited correspondence between his office and the Donald Trump administration comes after he�publicly�proposed a prisoner swap�yesterday, and said he was authorized to negotiate such an exchange.


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