07/17/2010 05:12 am ET Updated May 25, 2011

Mylar Balloon Blamed For Power Outage On Northwest Side

A Mylar balloon is to blame for leaving nearly 4,000 Commonwealth Edison customers without power Sunday night on the Northwest Side, officials said.

The untethered balloon made contact with a power line near Laramie Avenue and Belden Street, causing an outage to 3,825 customers, according to a release from ComEd.

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