According to this AP news report
The editor of a suburban Moscow newspaper that has criticized local authorities says its page designer has been beaten to death.
Anatoly Yurov of the newspaper Grazhdanskoye Soglasiye (Civil Concord) says Sergei Protazanov was beaten on Saturday, and died Monday after being discharged from the hospital.
Yurov said Wednesday that Protazanov was compiling an issue including reports on alleged falsifications in mayoral elections in the Khimki suburb.
Police refused to comment to The Associated Press, but the state RIA-Novosti agency cited police as denying Protazanov was beaten and saying he died from an unidentified toxic substance.
Novaya Gazeta‘s report says that the attackers removed the victim’s internal organs.