The incident reportedly happened at 10:00 GMT on Saturday in the town of Macerata, the BBC has reported, citing local media reports.
The suspect, identified locally as Luca Traini, 28, might have acted in what is likely a revenge attack following the alleged murder of an Italian woman, in connection for which a male immigrant from Nigeria has been detained.
Pamela Mastropietro was found dead on Wednesday, dismembered and packaged in two suitcases, reports have said.
A 29-year-old Nigerian immigrant whose asylum application was rejected about a year ago has been held as part of investigation into the murder. This has fuelled serious hate for African immigrants by some Italians who are thirsty for vengeance.
The suspect has been arrested, and a handgun has also been discovered in his car.
News unfolds around us minute by minute. The important trick is to make it be read, heard and understood without fear.
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