Russian police said Saturday that "terrorism" was not the main angle of the investigation after identifying the attacker who stabbed seven people on the streets of a far northern city of Surgut.

"The version that the attack was a terrorist one is not the main one," the interior ministry's press service in the Khanty-Mansi region told the Interfax news agency, saying that the attacker had been identified and may have suffered from psychiatric disorders. 

Source: AFP