The Transportation Security Administration said the incident happened at the American Airlines baggage check-in counter.

Police said Besnik Ismajlaj, 53, was charged with a misdemeanor count of carrying a concealed firearm at the airport.

A traveler with a gun was arrested after running into the terminal area at a Chicago airport on Tuesday, officials said.

A man from the west suburbs has been charged after allegedly runing into the terminal area at a Chicago airport, police said.

The Chicago Department of Aviation’s temporary chief is an attorney versed in both O’Hare and Midway international airports.

A 25-year-old man was shot twice in the lower body during an argument early Wednesday outside Chicago O’Hare Airport’s Terminal 2. At least one person was being questioned by police.