The FBI is warning U.S. citizens and permanent residents, especially those living in South Florida, to stay away from Haiti. The warning comes as Haiti’s embattled police force faces increasing attacks from warring gangs and as the violence in Port-au-Prince, according to the United Nations Secretary General António Guterres, has reached levels similar to countries at war. “The people of Haiti continue to suffer one of the worst human rights crises in decades and a major humanitarian emergency,” Guterres said in his latest report to the U.N. Security Council. “With the high number of fatalitie...