Kobani, also known as Ayn Arab, and its surrounding areas, has been under assault by extremists of the Islamic State group since mid-September and is being defended by Kurdish fighters.
Airstrikes on Kobani, Syria - Sunday, October 19, 2014

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Thick smoke and flames from a fire rises following a strike in Kobani, Syria, during fighting between Syrian Kurds and the militants of the Islamic State group, as seen from a hilltop on the outskirts of Suruc, at the Turkey-Syria border, Oct. 19, 2014.

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Kurdish fighters walk through a street in the Syrian town of Kobani, Oct. 19, 2014.

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Smoke rises following a strike in Kobani, Syria, during fighting between Syrian Kurds and the militants of Islamic State group, as seen from a hilltop on the outskirts of Suruc, at the Turkey-Syria border, Sunday, Oct. 19, 2014.

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Members of the media on a hilltop on the outskirts of Suruc, at the Turkey-Syria border, watch as smoke from a fire rises following a strike in Kobani, Syria, during fighting between Syrian Kurds and the militants of Islamic State group, Oct. 19, 2014.