Officials investigate after small fire breaks out at Caterpillar Mining

MILWAUKEE (WITI) -- The South Milwaukee Fire Department responded to a small fire at Caterpillar Mining Friday morning, March 21st.

The fire broke out on the 6th floor around 8:20 a.m.

Officials say the fire was extinguished by an employee, but fire officials say there was enough smoke to evacuate the building.

The cause of the fire is unknown and remains under investigation.

Monitor FOX6 News and for updates on this developing story.