The following is from the Jan. 14, 2014 Congressional Research Service report: Armed Conflict in Syria: Overview and U.S. Response.
Fighting continues across Syria, pitting government forces and their foreign allies against a range of anti-government insurgents, some of whom also are fighting amongst themselves. Since March 2011, the conflict has driven more than 2.3 million Syrians into neighboring countries as refugees (out of a total population of more than 22 million). Read More