A 46-year-old man started attacking people for an unknown reason. It would have been other customers who stopped the 46-year-old man and handed him over to the carabinieri. The man is said to have psychological problems and is under mandatory medical treatment. The police ruled out terrorist motives.
A supermarket employee lost his life. Three injured are in serious condition. One of the injured is Spanish footballer Pablo Mari who was loaned to Monza by London club Arsenal. Arsenal let on Twitter that he is not very well.