A Penn Hills woman was arrested Friday by Allegheny County police after an unloaded revolver was found in her carry-on bag at Pittsburgh International Airport.
A Transportation Security Administration officer spotted the gun when the woman was going through a checkpoint at the airport.
Allegheny County Police charged Kierra Allen, 31, with carrying a firearm without a license.
Allen was the seventh person found with a gun at the airport this year, according to the TSA.
People who are caught with firearms at an airport checkpoint can face criminal charges and civil penalties levied by the TSA that include a fine of up to $13,669.
For tips about how to travel with a gun, click here.
