FILE - This is a Sunday, March 30, 2014 file photo of Spanish reporter Javier Espinosa as he answers a question during a news conference upon his arrival in Madrid, Spain. Former hostage Javier Espinosa who had been held in Syria by Islamic State extremists has described mock executions and other forms of psychological torture. Espinosa wrote in the Sunday Times, Sunday March 15, 2015 that militant Mohammed Emwazi played a lead role in the mock executions. Emwazi is the Londoner nicknamed Jihadi John who has played a central role in a series of beheading videos made in Syria. (AP Photo/Gabriel Pecot, File) (The Associated Press)
LONDON – A former hostage held in Syria by Islamic State extremists for more than six months has described mock executions and other forms of psychological torture against him and other captives.