United Airlines CEO sorry for 'horrific' passenger removal

Oscar Munoz said he "continues to be disturbed" by the incident, captured on a video that went viral on Twitter.

He said the company would "fix what's broken so it never happens again".

The family of the passenger, David Dao, issued a statement expressing gratitude for the "outpouring of support".

He is undergoing treatment at a Chicago hospital.

The footage taken inside the airliner shows a man being pulled out of his seat and dragged, screaming, down the aisle. He is later seen with blood on his face.

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