Fighting erupted between rival gangs inside a state prison before dawn Thursday, and 28 inmates were killed and three wounded, officials in the Pacific resort said. Authorities had initially reported five deaths, but later raised the toll more bodies were found scattered throughout the prison. Robert Alvarez Heredia, the Guerrero state security spokesman, said in a statement that the fighting broke out around 4 a.m. He said security forces later regained control and slowly began discovering bodies in a kitchen, a cellblock and other areas. "The incident began because of the constant dispute between rival groups inside the prison," Alvarez...