The freed Americans include U.S.-Iranian dual citizens Siamak Namazi, 51, and Emad Sharqi, 59, both businessmen, Morad Tahbaz, 67, an environmentalist who also holds British nationality, and two others who have yet to be identified.
Washington and Tehran have reached an accord bringing U.S. hostages home from Iran and unfreezing Iranian assets. The agreement has much to recommend it, despite what critics say.
Five Americans imprisoned in Iran and five Iranian nationals detained in the U.S. will be released, the administration told Congress.
