United Airlines passenger's family 'horrified'
The daughter of a man dragged screaming off a United Airlines flight because it was full has described his treatment as "horrifying".
Video of the incident - in which Dr David Dao lost two front teeth, suffered a broken nose and "significant" concussion - has been watched millions of times online.
Crystal Dao Pepper told the news conference in Chicago she was "sickened".
- From the section US & Canada