As many as 11 irregular migrants were held in northwestern Turkey, security sources said on Thursday.
Acting on a tip-off, gendarmerie teams rounded up the Afghani nationals in Kocaeli province, said the sources who asked not to be named due to restrictions on speaking to the media.
Legal action was initiated against four people suspected of smuggling migrants.
Turkey has been a key transit point for migrants who want to cross into Europe to start new lives, especially those fleeing war and persecution.
It hosts nearly 4 million refugees, including over 3.6 million Syrians, more than any other country in the world.
*Writing by Gozde Bayar
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