The United States began withdrawing on Monday from a major base in Syria still under the control of Kurdish forces, a Kurdish official who requested anonymity told AFP.For all the latest headlines follow our Google News channel online or via the app.An AFP team saw a convoy of dozens of trucks, loaded with armored vehicles and prefabricated structures, on a road linking the Qasrak base in Hasakeh province to the border with Iraq.American forces have already withdrawn from two other bases in the past two weeks, A-Tanf in the southeast and al-Shadadi in the northeast.Read more: Syrian government takes over management of Qamishli airport held by Kurds US military says it completed Syria mission to transfer ISIS members to Iraq​​​​​​​US to withdraw all troops from Syria: Reports