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TOPSHOT - A Turkish-backed Syrian rebel fighters hold Turkish national flag (R) and Free Syrian Army flags (L) at a checkpoint in the Syrian town of Azaz on a road leading to Afrin, on February 1, 2018.
Clashes raged between Turkish-backed forces and Kurdish militia in Syria's Afrin region on January 31, 2018, as wounded civilians fled intense Turkish air strikes. Turkey and allied Syrian rebels have pressed on with Operation Olive Branch in the Kurdish-controlled Afrin enclave despite mounting international concern and reports of rising civilian casualties.
/ AFP PHOTO / OZAN KOSE (Photo credit should read OZAN KOSE/AFP via Getty Images)