19-YO Slits Teacher's Throat, Snaps Selfie With Corpse & Kills Self. Cops Link It To Blue Whale

1 Daily mail reports, an 18-year-old student, Andrey Emelyannikovis behind this brutal act.

Authorities believe the act is connected to a variation of "death group" suicides that spread all over Russia.

Recently, we have witnessed many scary incidents that involve depressed teenagers like "blue whale" challenge which force them to complete 50 challenging tasks and killing themselves in the end.

2 Frightening pictures have spread on the internet, which shows Emelyannikov smiling as Sergei Danilov seeps to death.

Local news outlet NTV reports that the incident happened during a break in classes when the student went to his teacher from behind and stabbed him with a knife on his neck.

3 As per other students, Walter Sullivan-a character from the Silent Hill computer game who was a religious fanatic- was the idol of Andrey Emelyannikovis.

Authorities are investigating the connection with some kind of game which is in the form of blue whale game.

He posed for several selfies, smirking and looking relaxed with a toothpick nonchalantly in his mouth. He then killed himself with an electric saw," reported NTV.