CHICAGO (CBS) -- A pedestrian was injured when glass window fell from the second floor and shattered on the ground in Jewelers Row in the Loop Tuesday night.

Police said, around 5:15 p.m., the glass fell from a window two stories up at the Jewelers Center at the Mallers Building, at 5 S. Wabash Ave.

Surveillance video showed the moment the glass broke. Exit stairs from the Washington/Wabash Loop 'L' stop are located nearby.

Police said a female of unknown age was on the sidewalk when a piece of glass from the window hit her in the head. She suffered a cut to the forehead, and was taken to Northwestern Memorial Hospital in good condition.

Red caution tape was set up at the scene as firefighters cleaned up the glass.