Broken glass blocks 17th Street at Atlantic Station

Crews are cleaning up the remains of a busted window in a midtown office building on Wednesday.
    
According to Atlanta police, the incident happened at around 5:30 a.m. The glass fell from an office on the 24th floor of the BB&T building at Atlantic Station to the street below.
    
It is not known what caused the window to break.
    
Traffic was blocked in the westbound lanes of 17th Street until crews finished cleaning up the area. The lanes have since been reopened.