NEW YORK (CBSNewYork) – Vigilant Transportation Security Administration workers have found a few suspicious items at LaGuardia Airport recently.

In one instance, TSA screeners spotted a realistic air pistol built to resemble a revolver. They spotted it Saturday night.

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“BB guns, air pistols and any other realistic replica gun are not allowed on planes,” TSA spokesperson Lisa Farbstein wrote on Twitter.

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In another incident Saturday, TSA workers at LaGuardia Airport spotted a pair of brass knuckles.

“The cops weren’t as friendly as this reminder is. The traveler was arrested. Don’t be like that guy!” Farbstein wrote on Twitter.

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For more information on what you can travel with, and what you can’t, click here. For instructions on how to travel with firearms, click here.