MOSCOW, February 26 (RAPSI) – Investigation was launched into a 15-year teenager, who had allegedly stabbed a teacher of one of the schools in Russia’s city of Ulyanovsk, the Investigative Committee’s press service reports Wednesday.

A case was opened over assault to murder, the statement reads.

According to investigators, on the morning of February 26, the school pupil caused a penetrating stab abdominal wound to the teacher.