MOSCOW, April 7 (RAPSI) – A student from St. Petersburg has been arrested on suspicion of killing prominent Russian journalist, Dmitry Tsilikin, the St. Petersburg Main Investigations Directorate of Russia's Investigative Committee announced on Thursday.

According to investigators, on March 27, the 21-year old Sergey Kosyrev visited the journalist with whom he had befriended online. The student killed Tsilikin during a quarrel, stole his laptop and mobile phone and fled the scene.

Kosyrev has been already questioned as a suspect. He pleaded guilty, the statement reads.

The body of the 54-year old journalist was found in his apartment on the night of March 31. According to preliminary findings, he died from multiple knife wounds.

Dmitriy Tsilikin was an editor of “Culture and society” section in the “Chas Pik (Peak Hour)” newspaper. He was also an author and host of multiple TV- and radio-shows, his works were published in numerous newspapers and magazines.