Son of couple found dead in Cagliari home arrested

(ANSA) - ROME, DEC 31 - Carabinieri police in the Sardinian city of Cagliari have arrested one of the two sons of an elderly couple who were found dead on December 5 after being allegedly poisoned, investigative sources said Tuesday.
    Claudio Gulisano, 44, has been charged with double murder and is currently detained in the city's prison of Uta.
    His parents, 79-year-old Luigi Gulisano and 82-year-old Marisa Dessì, were found dead in their home after being allegedly poisoned with a substance yet to be determined by forensic tests, the investigative sources said. The couple's other son Davide, 46, is not under investigation.
    Claudio Gulisano was arrested overnight after being questioned for over six hours. (ANSA).