Italian police have arrested Valter Lavitola, a businessman and former journalist, accusing him of masterminding a bomb attack on the home of a Rai journalist. The blast outside the reporter's house in Pomezia destroyed two cars. Lavitola, who owns a restaurant in Rome and was close to former prime minister Silvio Berlusconi, was described as a friend of the journalist, identified by reports as Ranucci. Authorities said Lavitola, a former journalist and import-export businessman, was the mastermind behind the attack. The arrest follows an investigation into the bombing, which occurred outside the reporter's home in the town of Pomezia. No further details about the motive or the investigation were immediately available.