Searches in the network of the Brussels attacker. The network of contacts of Abdessalem Lassoued, the Tunisian responsible for the Islamic attack in Brussels on 16 October.
The searches concern 18 people, all of North African origin, who live in the provinces of Bologna, Brescia, Como, Fermo, Ferrara, Lecco, Macerata, Teramo, Palermo, Perugia, Rome, Turin, Trento and Udine.