MOSCOW, May 11 (RAPSI) – Investigators launched probe into the shooting attack in a school bulding in Kazan, the capital of Russia’s Republic of Tatarstan, on Tuesday, the Investigative Committee’s press service reports.

A case is opened over murder of two and more people, the statement reads.

According to preliminary information, an unknown man entered an education institution and started shooting. About 10 people including minors were killed and nearly 20 persons were injured as a result of the assault.