KAUKAUNA - Kaukauna Fire responded to a grease fire at McDonald's early Sunday morning.
Officials say upon arrival they could see heavy grey smoke coming from a vent on the roof of the structure.
Authorities say the 6-feet-tall fryer had flames coming from the back side that were about two feet high. The fire was contained to the fryer.
Crews had the fire extinguished in about thirty minutes.
No one was injured in the incident.