A photo posted on Twitter by Iran's Foreign Minister Mohammad Javad Zarif, left, shows him with Iranian scientist Massoud Soleimani prior to leaving Zurich, Switzerland for Tehran on December 7, 2019. via AP
A photo posted on Twitter by Iran's Foreign Minister Mohammad Javad Zarif, left, shows him with Iranian scientist Massoud Soleimani prior to leaving Zurich, Switzerland for Tehran on December 7, 2019.Show more
US exchanges Iranian scientist for American student held by Tehran
Rare prisoner swap comes amid heightened tensions between the two countries