CAMERON, Wis. -- As the polar vortex continues in the Midwest, firefighters are fighting more fires. They're facing the cold, as well.
A fire chief in Wisconsin shared a picture of his frozen beard where the wind chill is -50 degrees.
ABC News reports the over-spray from the fire hoses froze before hitting the firefighters as ice pellets. The photo of Chief Mitch Hansen reminds us not only of how dangerous this cold can be, but also the risk first responders face.
RELATED: Too cold for mail: Polar vortex brings subzero temps to Midwest, prompts USPS to suspend service
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Fire chief's beard freezes while fighting blaze