(ANSA) - ROME, DEC 16 - ANSA'S ENGLISH SERVICE WILL TRANSMIT THE FOLLOWING STORIES WITH PICTURES TODAY: 1) - SIRENS OF SECTARIANISM RETURNING SAYS MATTARELLA President warns of threat posed by non-State actors Rome, 40 lines by Elisa Cecchi by 20:00 2) - ITALY HAS SIX OVER-64S FOR EVERY CHILD UNDER SIX Italian population's average age up to 46.6 years in 2023 Rome, 40 lines by Paul Virgo by 20:00 (ANSA).