Italian police said Friday it impounded a Rome restaurant and fitness center, and seized a yacht, in crackdowns against local Mafia organizations. An investigation into an alleged drug ring linked to the \'Ndrangheta Mafia in Calabria resulted in the impounding of the businesses, police said. Finance police arrested three people on money laundering and usury in connection with the theft of a 60-foot yacht, stolen two years ago and worth an estimated $650,000. The suspects are believed to be linked to the Camorra Mafia group, the Italian news agency ANSA reported Friday. Seven people were also arrested, six suspected drug couriers detained and cocaine and methamphetamines seized in Rome and Calabria, the news agency said.