The police have detained people in 31 provinces of the country, with 11 suspects arrested, seven people released, and an investigation into 132 detainees ongoing, the Anadolu news agency reported, citing a law enforcement source.
Accounts on social media are constantly monitored by the police, and all users who spread the propaganda of terrorist groups will be held accountable, the source noted.
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Damascus has firmly condemned the operation as an assault on Syria's sovereignty. Moscow, in its turn, has urged all parties to exercise restraint and called for respect for Syria's territorial integrity.
Afrin is an area controlled by the US-backed Kurdish YPG militias, which Ankara recognizes as affiliates of the PKK. The latter has been designated as a terrorist organization by Turkey as well as the United States.