UNITED NATIONS, Aug. 21 (Xinhua) -- UN Special Envoy for Syria Geir Pedersen on Thursday warned of "a worsening political climate" amid a precarious security situation in Syria.

Jordanian Deputy Prime Minister and Foreign Minister Ayman Safadi, Syrian foreign affairs chief Asaad Hassan al-Shibani, U.S. Ambassador to Türkiye and Special Envoy for Syria Thomas Barrack, and ...