Image result for Russia knife attacker wounds eight personsEight people have been wounded in a knife attack in the Russian city of Surgut.

The man, who apparently stabbed passers-by on the street at random, was shot dead by police.

The injured have been taken to hospital, where two are in a critical condition.

No motive has been established yet.

There are speculations the man may have been suffering from mental illness.

Surgut, about 2,100km east of Moscow in the Khanty-Mansiysk area of Siberia, has a population of more than 350,000.