A 65-year-old woman was fatally stabbed at a Barnes & Noble store in Florida, authorities said. A suspect is in custody, according to police. The incident occurred shortly before 8 p.m. on Monday at a Barnes & Noble in Palm Beach Gardens, according to police. Officers responding to the stabbing found the victim -- identified by police as Rita Loncharich -- inside the store and "immediately rendered aid," the Palm Beach Gardens Police Department said. She was transported to a local hospital, where she died from her injuries, police said.