The Transportation Security Administration kept especially busy in 2014: A record high of 2,212 guns were seized from carry-on luggage, marking a 22% increase over 2013 numbers.

The TSA found an average of more than six firearms per day, the agency said Friday, and of those seized, 83% were loaded. Dallas/Fort Worth International Airport saw 120 guns seized, the most of any airport.

Passengers who try to bring firearms onto a plane in their carry-on bags can be arrested and criminally charged.

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