Alexander Smelov, 55, killed in his office in Yakutsk.
The institute director was attacked in his own office on Tuesday. Picture: Institute of Diamond and Precious Metal Geology
A man was arrested on suspicion of murdering the academic, who was director of the Russian Academy of Sciences' Institute of Diamond and Precious Metal Geology in Yakutsk.
'The institute director was attacked in his own office on Tuesday. He died from his injuries,' said Stanislav Platonov, spokesman for the Interior Ministry in the Sakha Republic, also known as Yakutia.
The suspect, a postgraduate student in the institute, was detained in his apartment, reported Interfax.
Documents concerning the case have been forwarded to the Russian Investigative Committee's regional branch.
Shilka became a global star last year in her pen in Novosibirsk but now she is set to be big in Japan after bid to keep her in Russia fails.
Silence from the authorities but residents say former Ukrainian president's son should have known Baikal was too dangerous to drive on.
Hallucinations from new synthetic substance made man think his home was full of gas and he needed to save his son.