This is heartbreaking! A woman boarded a United Airlines flight with her two daughters and puppy when she needed to put it in the overhead bin during the flight.
Another passenger said the flight attendant insisted she put the puppy in the overhead bin and reassured her that everything would be okay. After the three hour flight she checked the dog and it had unfortunately passed away. The dog was given no water in the three hours but was expected to be fine.
United airlines has apologized and sent their condolences.