Yemeni parties have held a joint session of peace negotiations in order to complete the discussion of political and security issues put on the agenda of UN-facilitated talks. UN Special Envoy for Yemen, Ismail Ould Cheikh Ahmed is seeking to bring the Yemeni parties' views closer, especially regarding the issues of prisoners and detainees, with a view to setting out a general strategic framework for a comprehensive peace settlement, KUNA reported.