Analysis of information sources in references of the Wikipedia article "2017 United Express passenger removal" in English language version.
Crew members "were left with no choice but to call Chicago Aviation Security Officers to assist in removing the customer from the flight," Munoz wrote, and at one point the passenger "continued to resist – running back onto the aircraft in defiance of both our crew and security officials."
Bridges said the man became "very upset" and said that he was a doctor who needed to see patients at a hospital in the morning. The manager told him that security would be called if he did not leave willingly, Bridges said, and the man said he was calling his lawyer. One security official came and spoke with him, and then another security officer came when he still refused. Then, she said, a third security official came on the plane, dragged Dao, screaming, from his seat, and threw him against the armrest before dragging him out of the plane.
