MORRISANIA - Police are investigating a fatal stabbing at a Morrisania apartment building.Officials say a 47-year-old woman was found stabbed in a fourth-floor apartment at a building on Trinity Avenue. The woman was rushed to Lincoln Hospital, where she was later pronounced dead.Police have not identified any suspects yet, but say they would like to talk to the victim's daughter.The victim's twin sister says her niece is another victim of the stabbing and hopes they find whoever is responsible.