MOSCOW, December 20. /TASS/. Russia’s Investigative Committee has defined the assassination of Russian Ambassador to Turkey Andrei Karlov as an act of international terrorism, Committee’s Spokeswoman Svetlana Petrenko told TASS on Tuesday.

"Following the assassination of Russian Ambassador to Turkey Andrei Karlov, the Russian Investigative Committee’s for high-profile cases initiated a criminal case on charges of international terrorism resulting in the human death (part 3, article 362 of the Russian Criminal Code)," she said.