Suspect detained over murder of Russia's envoy in Turkey
Previously three suspects, including two police officers, were arrested in connection with the assassination of Andrey Karlov.
Andrey Karlov died after being fatally wounded in an armed assault in an art gallery in Ankara late Dec. 19, 2016. Three other people were injured in the attack.
The killer, Mevlut Mert Altintas, was eliminated. The Russian Foreign Ministry called the incident an act of terrorism.






