A Dubai-based businessman has become the fourth Iranian-American to be arrested by Iran’s security forces and imprisoned in Tehran, as the Islamic Republic begins implementing a nuclear deal struck with world powers, several U.S. newspapers reported on Thursday.
The detention of Siamak Namazi comes as an Internet freedom group said a Washington-based Lebanese citizen recently disappeared while on a trip to Tehran. Iranian officials and state media have yet to comment on either case, though there’s speculation that some in Iran want to negotiate a prisoner swap with the U.S. for others held in the country, like detained Washington Post reporter Jason Rezaian. Namazi was arrested earlier this month while visiting a friend in Tehran, a family friend told the Post .