At least eight people have been injured in the central Russian city of Surgut after a man started stabbing people with knife on the main road.
As per Anadolu News report, the suspected attacker has been shot dead by the police after the assault.
Islamic State of Iraq and Syria (ISIS) has taken responsibility of the attack, the group's Amaq news agency said.
Further investigations are underway and the security level has been raised.
Surgut, with a population of about 320,000, is an oil- and gas-producing centre 2,100km (1,300 miles) north-east of Moscow.
The stabbing incident came two days after 14 people were killed in Spain by terrorists who mowed down pedestrians in Barcelona and Cambrils in a van and a car respectively.
ISIS has also claimed responsibility for both vehicle rampages, which also injured more than 100 people.
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