A 42-year-old man with psychiatric problems killed his 77-year-old father by hitting him with a knife.
The murder took place in the late afternoon in the house in via Novella on the heights of Genova Prà.
The man was being followed by Voltri's Mental Health specialists.
The murderer's sister called for help.
The agents of the Volanti and the investigators of the Mobile Squad of the Genoa police station intervened on the spot.
The 42-year-old was arrested.
The victim was called Francesco Evangelista, the murderer Claudio.
His son allegedly attacked his father after a fight for futile reasons.