Istanbul ISTANBUL The Syrian presidency on Saturday appointed a presidential envoy to oversee the implementation of the Jan. 29 agreement with the terrorist organization YPG/SDF, according to state media. The Syrian Arab News Agency (SANA), citing the presidency’s media directorate, said Brig. Gen. Ziad Al-Ayesh has been assigned to follow up on the accord and facilitate integration under the authority of the Syrian state. The presidency said the appointment is intended to enhance the presence