In the war-torn Middle East, the decade-long civil war in Syria has flared up once again. What role is Turkey playing and what are Turkish President Recep Tayyip Erdogan's aims in neighboring Syria?

Analysis: The crisis could allow Turkey to advance two long-held goals: the mass return of Syrian refugees and eliminating the Kurdish presence on its border.

Turkey could be one of the big winners from the new Syria crisis, giving it a chance to tackle its Syrian refugee problem and the Kurdish threat along its border,