Firefighters fight blaze on Chicago's West Side

August 14, 2010 7:57:31 AM PDT
An underground electrical vault fire shut down power to Stroger Hospital and several businesses Friday night.

Firefighters were called to the 1900-block of West Polk around 7 p.m.

The fire and smoke were pouring out of the underground vault for several hours.

ComEd crews were also on the scene.

There are no reports of any injuries.

No evacuations were necessary.

The cause of the fire is under investigation.