SALEM, Mass. — Transit police in Massachusetts say a dog left for about five hours inside a car at a commuter rail station has died and its owners face animal cruelty charges.Officers responded to the Salem station's parking garage just after 6 p.m. Sunday after getting a report of a possibly injured dog inside a vehicle.Police say the 3-year-old French bulldog, named Nigil, appeared lifeless and vomit was pooled nearby.As firefighters attempted to get inside, the owners showed up.