By Nazli Yuzbasioglu</p> <p>ANKARA (AA) – Turkey-US joint working group meetings are scheduled to be held in Washington on Tuesday, according to Turkish Foreign Ministry on Monday. </p> <p>In a written statement, the ministry said Deputy Foreign Minister Sedat Onal from Turkey and Under Secretary of State for Political Affairs David Hale from the U.S. will co-chair the meetings.</p> <p>The ministry has not provided further detail on the meetings. </p> <p>Turkey and the U.S. established a mechanism to address separate issues in working groups, including the stabilization of Manbij, a northern Syrian city, and to prevent undesirable clashes, following a visit by former U.S. Secretary of State Rex Tillerson to Ankara in February, 2018. </p> <p>The first working group had been held on March 8, 2018 in which the main principles of potential cooperation of Turkey and the U.S. were termed "constructive".</p> <p>The Fetullah Terror Organization (FETO), the group behind the 2016 defeated coup attempt in Turkey, visa issues and fight against the PKK terror organization were also discussed in working groups.