BEIRUT (AP) — The Latest on the developments in Syria and Turkey's offensive on the Syrian Kurdish enclave of Afrin (all times local): 4:45 p.m. The United States is accusing Russia of "costing innocent Syrian lives" amid new reports of a suspected chemical attack in Syria. Activists and rescue teams say the Syrian government launched an attack with suspected poisonous gas that affected nearly 20 civilians in a rebel-held suburb near Damascus. U.S.