Five Americans imprisoned in Iran have been launched and positioned below home arrest as a part of step one of a deliberate prisoner trade between Tehran and Washington, officers have mentioned.

The US-Iranian twin nationals embody businessmen Siamak Namazi, 51, and Emad Shargi, 58, in addition to environmentalist Morad Tahbaz, 67, who additionally has British nationality.

They had all been jailed on the infamous Evin Prison on spying expenses.

The id of the fourth US citizen allowed out of jail has not been made public, whereas a fifth man had already been launched.

"My belief is that this is the beginning of the end of their nightmare," US Secretary of State Antony Blinken informed a news convention in Washington, however cautioned that it was simply step one in a course of.

"There's more work to be done to actually bring them home."

It follows months of negotiations between the 2 international locations, that can embody a variety of Iranian prisoners being freed and the discharge of $6bn in Iranian authorities property blocked below US sanctions.

White House National Security Council spokesperson Adrienne Watson confirmed the 5 had been all out of jail and below home arrest, saying they need to by no means have been detained.

She mentioned talks for his or her eventual launch "remain ongoing and are delicate".

Iran's mission to the United Nations mentioned the 2 international locations have agreed to "reciprocally release and pardon five prisoners".

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The households of the Americans held in Iran say their family members are "hostages" taken captive on false expenses and used as bargaining chips by the federal government.

Namazi, who in 2016 was convicted of espionage-related expenses the US has rejected as baseless, has beendetained by Iran for greater than seven years.

Tahbaz was arrested in 2018 and sentenced to 10 years in jail for "assembly and collusion against Iran's national security" and dealing for the US as a spy.

Shargi was convicted of espionage in 2020 and in addition sentenced to 10 years in jail.

Jared Genser, a lawyer for one of many males, described the imprisoned Americans' motion as an "important development".

He mentioned: "While I hope this will be the first step to their ultimate release, this is at best the beginning of the end."