epa08051113 A handout photo made available by Iranian Foreign Affairs Minister Mohammad Javad Zarif's twitter account on 07 December2019 shows Zarif (L) greeting Iranian researcher Masoud Soleimani at an undisclosed airport in Switzerland. Iranian Foreign Minister Mohammad Javad Zarif announced on 07 December 2019 that Iranian stem-cell researcher Masoud Soleimani has been released after over a year in jail in the US as part of a prisoner swap deal between Tehran and Washington. US student Xiyue Wang, 38, who was held in an Iranian prison for more than three years, was headed home as part of the deal between the two countries, media reported. EPA/IRANIAN FOREGIN MINISTRY HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES
Le autorità iraniane hanno liberato in uno scambio di prigionieri con Washington il ricercatore statunitense Xiyue Wang, detenuto a Teheran da oltre tre anni perché sospettato di essere una spia.