A corruption inquest into Italian construction works: key figures have been arrested under the national investigation into corruption and extortion within various Italian construction works of Terzo Valico, the railway line which was to connect Liguria to Tortona and other Northern lines, primarily in the direction of Milan. The ‘round-up’ spread across the entire nation, making arrests in Lazio, Lombardy, Piedmont, Liguria, Tuscany, Abruzzo, Umbria and Calabria