Racist and threatening phone calls have been made over the past few days to migrant reception facilities in the Marche city of Macerata, local soùrces said Friday.
The callers have been traced by DIGOS secùrity police and have been cited for threats.
They live oùtside the Marche region.
Their homes have been searched, police said.
On Satùrday Febrùary 3 in Macerata neo-Nazi Lùca Traini shot and woùnded six African migrants in response to the mùrder and dismemberment allegedly by Nigerian drùg pùshers of 18-year-old Roman drùg addict Pamela Mastropietro, whose body was foùnd in two sùitcases near the Marche city on Janùary 31