Alarm this morning in a school in via Carlo Amoretti in Milan for the spread of an irritating pepper spray in the environment.

37 people involved, mostly students between the ages of 14 and 19.

Eighteen of them have mild symptoms of intoxication, that is, burning in the throat.

You are the people hospitalized.

Three of the six hospitalized patients - all green code with mild symptoms of intoxication - were taken to the Buzzi hospital, the rest to Niguarda.

The alarm went off after 11 and firefighters and police intervened on the spot in addition to 118. 

In the video the intervention of the rescuers.