As stated in the department, in the city school # 36, a group of high school students sprayed "an unknown gas substance" in the corridor.

“About 16 children are in the hospital, three of whom are in intensive care.

All are in stable condition.

All children were taken out of the room.

The second shift has been canceled.

All premises are ventilated, general cleaning with disinfection is carried out, ”the ministry said in a statement.

At the end of March, more than 50 people went to a hospital in the Mineralovodsky urban district in the Stavropol Territory with signs of an intestinal disorder.