Italian police have arrested the alleged perpetrators of a bomb attack that targeted Sigfrido Ranucci, an investigative journalist for the programme Report.

The attack occurred in October at his home near Pomezia, not far from Rome.

The four individuals are subject to precautionary custody measures and are accused of carrying and using an explosive device in a public place, as well as criminal damage and issuing threats. The offences are said to have been aggravated as they allegedly acted as part of a group of more than five people and used mafia-style methods.

The group is believed to have been hired to carry out the attack.

The individuals include a young couple from Avella - Pellegrino D'Avino, who was detained by the Carabianieri in Rome before being transferred to Rebibbia prison, and his wife, Marika De Filippi, who is under house arrest at their home - as well as Saverio Mutone and Antonio Passariello.