Turkey has begun to shut some of its border crossings with Syria after at least 70,000 Kurdish refugees entered the country since Friday.
The shut down followed the clash that broke out after a solidarity demonstration by Kurds on the Turkish side of the border on Sunday. The clash was between Turkish security forces and protesting Kurds.
The closures may however, stop Kurdish fighters entering Syria to fight Islamic State, IS. Turkey has taken in more than 847,000 refugees since the uprising against Syrian President Bashar al-Assad began three years ago.
Some of the new arrivals are being sheltered in overcrowded schools, as Turkey struggles to cope with the influx.
Turkey opened its border on Friday to Syrians fleeing the town of Kobane, also known as Ayn al-Arab.
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