di Mario Primerano
(updates previous). Piacenza, April 15 - Six police officers and a police guard were among 13 people arrested Monday in a drugs and prostitution sweep in and around this northern Italian city. Police said they busted a "deep-rooted" gang trafficking and dealing in drugs, mostly cocaine, as well as running prostitutes. The six officers, members of the narcotics section of the Piacenza flying squad, and the guard, are suspected of complicity with the gang. A pensioner and five South American nationals were the others arrested.