A photo taken on February 13, 2017 shows a flyer during a protest outside the Iranian embassy in Brussels for Ahmadreza Djalali, an Iranian academic detained in Tehran for nearly a year and reportedly sentenced to death for espionage. Djalali is an Iranian researcher working for the CRIMEDIM Disaster and Emergency Medicine program in which VUB (Vrije Universiteit Brussel) participates, he was arrested on April 25, 2016 when in the Iranian capital for a conference, according to Italian media. / AFP / Belga / DIRK WAEM / Belgium OUT (Photo credit should read DIRK WAEM/AFP/Getty Images)

A photo taken on February 13, 2017 shows a flyer during a protest outside the Iranian embassy in Brussels for Ahmadreza Djalali, an Iranian academic detained in Tehran for nearly a year and reportedly sentenced to death for espionage.
Djalali is an Iranian researcher working for the CRIMEDIM Disaster and Emergency Medicine program in which VUB (Vrije Universiteit Brussel) participates, he was arrested on April 25, 2016 when in the Iranian capital for a conference, according to Italian media. / AFP / Belga / DIRK WAEM / Belgium OUT        (Photo credit should read DIRK WAEM/AFP/Getty Images)