Four people including Spanish soccer player Pablo Mari are among those who were injured after a man grabbed a knife from a supermarket shelf on Thursday and killed one , Italian authorities has reported.
Police arrested a 46-year-old Italian man suspected in the attack at a shopping center in Assago, a suburb of Milan, carabinieri said.
A supermarket employee died en route to the hospital, according to the news agency ANSA, which said three other victims were in serious condition. Another person was treated for shock but not hospitalized, police said.
The motive for the attacks was unknown, but police said the man showed signs of being psychologically unstable. There were no elements to suggest terrorism.
Mari, who is on loan to the Serie A club Monza from Arsenal, was among the wounded. Arsenal said in a statement that Mari was at the hospital but was not seriously hurt.