A man armed with a knife has attacked pedestrians in the Russian city of Surgut, injuring at least eight.
The knife attacks happened at around 11:20am local time. So far, there have been no reported fatalities, but some of the victims are very seriously injured and have been rushed to hospital.
The attacker was shot dead by a police patrol responding to the emergency reported by witnesses. Authorities are now trying to identify the attacker and establish the motive for his stabbing spree.