Finally, one of the guards woke up and told them to keep the door closed. During the response, those eyewitnesses even helped secure a weapon.
"If we'd have opened the door, they would have got the gun. And we didn't know at the time if they were still shackled or anything or could get to the gun," said witness Ketha Selby.
Six prisoners were on board at the time. Several passengers suffered minor injuries.