Pro Erdogan supporters gather at Taksim square on July 20, 2016 during a rally in Istanbul, following the failed military coup attempt of July 15. Turkish President Recep Tayyip Erdogan on July 20 chaired a crunch security meeting for the first time since the failed coup, as global alarm grew over a widening purge that has seen around 50,000 people either detained or sacked. / AFP / OZAN KOSE (Photo credit should read OZAN KOSE/AFP/Getty Images)