A local resident, stabbed eight people in the Siberian city of Surgut, reported Russian news agency.
A man on Saturday stabbed seven people on the street in Russia's far northern city of Surgut before being shot dead by the police. "All the victims were hospitalized with wounds of different severity", said the Investigative Committee.
Russia's Investigative Committee, which investigates major crimes, said the suspect was "liquidated" after armed cops turned their weapons on him.
A spokeswoman for the committee told Reuters news agency she would not comment on the possibility of terrorist motives, calling the attack "attempted murder".
The attacker, who was born in 1994, had been killed, it said.
The suspect was shot dead by police after he wounded eight people in Surgut, Siberia, at around mid-day.
Footage, below, which was posted on the internet appears shows the aftermath of a police confrontation with the armed man. Two are reportedly in serious condition.
Police killed the five attackers, some of whom were wearing fake explosive belts.
The incident took place in a city in the oil-rich Khanty-Mansi region, some 1,330 miles northeast of Moscow.