Complex sentence: Haitian refugees were also taken in and supported by many Dominicans, though relations deteriorated, as the refugees have remained in the Dominican Republic, leading to reported concerns among some Dominicans that quake refugees contribute to rising crime, over-crowding, cholera and unemployment.
Split into simpler sentences: Haitian refugees were also taken in and supported by many Dominicans, though relations deteriorated as the refugees have remained in the Dominican Republic. This has lead to reported concerns among some Dominicans that quake refugees contribute to rising crime, over-crowding, cholera and unemployment.