Sources said the passenger got the gun onto a plane after taking a bag back from an X-ray machine. Sara Machi reports.

Passenger Cindi Coffman also said staff told passengers to get off the plane and bring their carry-ons, but she said nobody ...

Before Chicago police could confiscate the gun, Ismajlaj reached inside the X-ray machine at the checkpoint, took the bag, ...

A man was arrested and charged after bringing a gun to Chicago's O'Hare International Airport Tuesday, police said.