WGN Anchor Micah Materre is TERRIFIED of  rats and that is all her co-anchor Mark Suppelsa needs to know.

Suppelsa started showing a photo of a rat trap he posted to his Facebook page. He says there's a rat on the loose at WGN, and that a rat trap was placed right by the anchor desk -- just in case!

Needless to say, this Rat Trap talk was more than Materre could handle.

Let's go to the video: