Activists told CNN in November that Raqqa was becoming increasingly conservative after ISIS began imposing hardline Islamist law there and meting out harsh punishment to those who don't follow orders.
MORE: http://www.cnn.com/2014/02/28/world/meast/syria-raqqa-isis-christians/index.html
See also...
Al Qaeda branch in Syria issues ultimatum to splinter group
http://www.cnn.com/2014/02/25/world/meast/syria-al-qaeda-ultimatum/index.html
Heavy shelling rocks Golan Heights area between Syria, Israel
http://www.cnn.com/2014/02/21/world/meast/syria-civil-war/index.html