Stem cell scientist Dr. Masoud Soleimani has been released after a year of imprisonment in the United States, Iranian Foreign Minister Javad Zarif said.

“Glad that Professor Massoud Soleimani and Mr. Xiyue Wang will be joining their families shortly. Many thanks to all engaged, particularly the Swiss government,” Zarif tweeted.

As a part of exchange of prisoners, Iran handed over to the United States student Xiyue Wang who was detained in Iran on suspicioan of being a spy.