Federal agents in Missouri are questioning a man after a suspicious device was found in his carry-on bag at Kansas City International Airport.

Aviation Department spokesman Joe McBride says the device was found about 9:30 a.m. Sunday at a Southwest Airlines checkpoint.

Southwest spokesman Chris Mainz says transportation security agents stopped a man going through the checkpoint and asked to examine something in his bag.

He says the man refused to cooperate and was taken into custody, and a bomb squad was called to the scene to examine the device.

Mainz says no flights were affected by the incident, other than some delays caused by the checkpoint being shut down.

The Transportation Security Administration didn't immediately respond to a phone message requesting details.