Turkish Police detained some 400 suspected members of Islamic State in Anti-Terror raids carried out in six Provinces.
State Media said at least 60 suspects were detained in the Capital Ankara, while 150 suspects were detained in Sanliurfa Province near the Syrian Border.
Those detained were mainly Foreign Nationals.
Ankara has stepped up efforts to tackle the Militants after the group was blamed for a Nightclub attack in Istanbul on New Year’s Eve.
Thirty-nine people, mainly Foreigners, were killed in the attack.