VIDEO: Six people are hurt, including a firefighter, after a fire at an apartment building in Chippewa Falls. It happened at the St. Joseph's apartment building on Pearl Street around 10 a.m. The Chippewa Falls Fire Department says the fire started on a mattress in an apartment on the second story of the building but there's no word on how it happened. The department says one person was rescued from the roof and another person was taken out of a third story window by firefighters. Chief Michael Hepfler said the fire was contained to the second story of the 76 apartment building but damaged at least ten apartments.