Russian President Vladimir Putin (right) and Turkish President Recep Tayyip Erdogan pose for a photo during their meeting in Sochi, Russia, Tuesday. Sergei Chirikov/AP hide caption
YPG
U.S.-backed Kurdish militants seem to be in talks with the Syrian regime to hand over the city of Manbij. Turkey has threatened an offensive against the town if the Kurds remain in control. Here, members of the Kurdish internal security force are seen in a photo from March. Hussein Malla/AP hide caption
Turkey-backed Free Syrian Army soldiers celebrate around a statue of Kawa, a mythology figure in Kurdish culture as they prepare to destroy it in city center of Afrin, northwestern Syria, early Sunday. Hasan Kirmizitas/AP hide caption
A Syrian child threads a path last week through the rubble of blasted buildings in the rebel-held town of Douma, in the enclave of eastern Ghouta outside Damascus. Hamza al-Ajweh/AFP/Getty Images hide caption
Caleb Stevens (fourth from left) in Raqqa, Syria, with other members of his unit. Stevens, a 23-year-old from Michigan, traveled to Syria to fight with the Kurdish People's Protection Units or YPG. Courtesy of Caleb Stevens hide caption
Turkish army tanks head to Afrin, an enclave in northern Syria controlled by U.S.-allied Kurdish fighters, on Monday. AP hide caption