Kurdish Peshmerga fighters have left Iraq and are en route to the besieged Syrian town of Kobani.
They aim to help fellow Kurds in their battle against Islamic State militants.
According to a senior official in the Kurdistan Democratic Party, the fighters were flying from Erbil to Turkey and from there would travel by land to Kobani.
Turkey has been reluctant to join the US-led coalition against ISIL, however after pressure from its Western allies President Tayyip Erdogan said last week that some peshmerga fighters from Iraq would be allowed to transit through Turkish territory to Kobani.
It’s expected that the Kurdish troops will not take part in direct combat but instead provide artillery support.
The town has been surrounded by Islamic State militants for over a month.
US warplanes have been bombing targets there for weeks.
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