MOSCOW, April 18 (RAPSI) - A teenager suspected of stab rampage at his school in Sterlitamak, the second largest city in Russia’s Republic of Bashkortostan, has been arrested in a hospital, the Investigative Committee’s press service reports.

According to investigators, the suspect is being questioned now.

On Wednesday morning, a 17-year-old student entered an informatics class and used a knife to cut a classmate’s hand and stab a teacher. Then he allegedly used a flammable liquid to set the school on fire which made one of the students to jump out of the window. Later, the alleged attacker stabbed himself.

The fire did not result in any casualties. The suspect and the victims were transferred to a hospital.

Law enforcement officers are investigating the circumstances of the incident. Criminal cases on attempted murder and negligence were opened against the student and officials of juvenile crime prevention bodies respectively.

Russia’s Children Rights Commissioner Anna Kuznetsova is closely monitoring the situation, her press-service stated.

Cases of attacks at schools became more frequent in 2018. In January, Russian schools suffered two attacks. On January 15, a student in the 10th grade and a former pupil of the same school in Perm intentionally caused multiple stab wounds to nine 4th graders and their teacher. The victims were hospitalized. The alleged attackers have been charged with attempted murder of more than two children collusively committed by a group of persons.

On January 19, a student of Buryatia's school entered the building and attacked pupils of the 7th grade; after that he set fire in a classroom with a bottle containing flammable liquid. Three children and a teacher were injured during the attack.