BP…was sued by the Pointe Au Chien tribe over claims the Indian group’s ancestral lands and fishing grounds in southern Louisiana were devastated by the 2010 oil spill. The tribe “has suffered loss of use of its historical and cultural lands, including tribal cemeteries, Indian mounds, shell middens and traditional fisheries,’’ according to the complaint…The tribe said it has an “an aboriginal land title claim’’ to the damaged areas…Most of the tribe’s members are subsistence or commercial oystermen or fishermen…The tribe seeks compensation for lost tax revenue and income, decline in property values, spill cleanup costs, restoration of its damaged natural resources, and punitive damages. BP spokesman…didn’t immediately respond to a request for comment on the…lawsuit.