NEENAH, Wis. (WTAQ) - Several families are forced from their home following an overnight fire at a Neenah apartment building.

It happened on Harrison Street just after 1:30 a.m. Thursday.

Authorities say no one was injured and they're not sure how the blaze started in the 12-unit building.

FOX 11 reports residents in the building were alerted by one of the tenants who smelled smoke coming from one of the apartments. Police do not suspect arson.