Turkey is calling on the US to stop Kurdish fighters travelling to the northern Syrian region of Afrin. Members of the US-backed Syrian Democratic Forces are heading there to help fight off a Turkish offensive against their fellow Kurds.

Turkey insists its operation is necessary to tackle "terrorism" on its border with Syria.

Al Jazeera's Alan Fisher reports from Gaziantep.

Check our website: http://www.aljazeera.com/

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