Fire causes power outage in West Ridge

CHICAGO (CBS)-- A transformer crashed to the ground in West Ridge overnight.

ComEd officials said there was a pole top fire after rain and vegetation dropped down into the transformer. 

The power pole failed in an alley near Artesian and Ardmore avenues. 

Power was knocked out for several blocks. Around 50 customers are still without power. 

ComEd crews are on the scene.