The U.S. and Iran are working towards holding diplomatic discussions as soon as Friday in Istanbul, four senior Middle East ...

Richard Engel is in Tehran for NBC News and tells Sky News' Yalda Hakim what he is seeing and what officials are telling him.

NBC News' Richard Engel gets an inside look at life in Iran ahead of possible talks with the U.S., as people cautiously return to the streets after protests against the government were violently ...