Istanbul member of ruling AKP party says failed coup is a "turning point" in history.
A state official told national media one man had been apprehended near the scene of the crime.
The masked Putin was detained for the sixth time and hopes for jail time.
Security agencies continue to search for anyone linked to attacks in Paris and Brussels.
Otto Frederick Warmbier, 21, was in North Korea for a five-day New Year trip and was detained at Pyongyang airport.
The three Russian nationals are among more than 60 people detained by Turkish authorities following Tuesday's deadly bombing in Istanbul
Since taking power in a military coup in May 2014, Thailand's ruling junta has issued directives that have largely stifled dissent.
There were arrests in Paris, Berlin, Belgium and Austria today after two were killed in a raid in Belgium last night.
He later wrote a blog post saying that the policemen had driven him home.
Security officials in Lebanon previously said the Lebanese army had detained a wife and daughter of al-Baghdadi's
Three detained Americans spoke to CNN, including one who said his health is failing after 18 months in prison camp