U.N. appoints heads of working groups for Syria talks
"It is hoped that their outcomes could eventually set the stage for a Syrian agreement to end the conflict on the basis of the Geneva Communique," U.N. Syria envoy Staffan de Mistura said in a statement, referring to a 2012 international agreement on resolving the war.
The four are Jan Egeland, Nicolas Michel, Volker Perthes and Birgitta Holst Alani, de Mistura's office said.
(Reporting by Tom Miles; Editing by Janet Lawrence)