KARAK, JORDAN - DECEMBER 18 : Jordan's security forces carry out operation after the gunmen attacked several police patrols in the southern city of Karak, Jordan on December 18, 2016. According to local sources, unknown gunmen attacked Jordanian policemen then fled to nearby ancient castle taking some tourists who were visiting it hostages on 18 December. A gun fight started between the gunmen and security forces resulting in the death of at least 10 people and the injury of many others. (Photo by Salah Malkawi/Anadolu Agency/Getty Images)