A number of people were wounded in a major knife attack in Siberia over the weekend.
The incident took place in the city of Surgut in the Khanty-Mansi region , 2,100km (1,330 miles) north-east of Moscow, around 11:20am local time (8:20am GMT) on Saturday.
Russia media reported the number of people injured in the attack to be eight, with four of them in a serious condition.
News outlets said the man was shot dead by police.
A spokeswoman for Russia’s Investigative Committee, which examines major crimes, said the body was investigating attempted murder, and wouldn't commenton whether the incident was related to terrorism.
Despite this, there are unconfirmed reports of Islamic State claiming responsibility.
The incident follows events in Finland, where a Moroccan teenager was apprehended in Turku on suspicion of murdering two people in a high-profile knife attack.