None hurt in NW Side apartment fire

February 24, 2012 3:36:00 AM PST
Investigators are trying to determine the cause of a fire that broke out Thursday night in an apartment building on Chicago's Northwest Side.

Authorities say the fire started at about 9:20 p.m. in the front stairwell on the third floor of the building on the 3900-block of West Argyle Street.

Firefighters had the blaze under control in about 30 minutes. No one was hurt.