Rome, December 3 - Franco Fiorito, the former caucus leader for ex-premier Silvio Berlusconi's People of Freedom (PdL) party in the Lazio region, must stay in jail amid an investigation into inappropriate use and embezzlement of electoral funds, Italy's highest appeals court ruled Monday. Fiorito was locked up in October after a judge agreed with prosecutors that there was a risk he could re-offend and when investigators found he had destroyed evidence. The case caused the PdL's Renata Polverini to step down as governor of Lazio, the region around Rome. Investigators are looking at around six million euros of financial transactions carried out by Fiorito over the last two years. They said 1.38 million euros of this money went into bank accounts in Fiorito's name via 193 fund transfers. The Cassation Court on Monday also upheld the seizure of Fiorito's assets. was arrested earlier this year amid an investigation into inappropriate use and embezzlement of electoral funds. Franco Fiorito deve restare in carcere. Lo ha deciso la Sesta Sezione Penale della Cassazione che ha confermato l'ordinanza del tribunale del riesame di Roma con la quale era stata convalidata la custodia cautelare in carcere disposta dal gip di Roma il primo ottobre 2012. Confermato anche il sequestro preventivo dei beni. (segue).