Calls to boycott a business conference in Iran have intensified after Tehran executed dissident journalist Ruhollah Zam last week.
A prison guard stands along a corridor in Tehran's Evin prison on June 13, 2006. (AP)
Iran Supreme Leader Ali Khamenei speaking via a video conference with Iran's President Hassan Rouhani on May 10, 2020. (AFP)
A flyer of Ahmadreza Djalali during a protest outside the Iranian embassy in Brussels, Feb. 13, 2017. (AFP)
In this April 9, 2009 file picture Iranian technicians work at a new facility producing uranium fuel for a planned heavy-water nuclear reactor, just outside the city of Isfahan, 255 miles (410 kilometers) south of the capital Tehran. (AP)