CHICAGO (AP) — Chicago authorities say a 13-year-old boy is facing charges for defacing 18 life-size statues in the city's famous Grant Park.

The Chicago Sun-Times reports (http://bit.ly/1isAJWo ) the boy is accused of using spray paint to tag the faceless pieces that are part of a 26-statue collection made by Icelandic artist Steinunn Thorarinsdottie.

The statues were installed in August and will remain in the park until October.

Bob O'Neill is president of the Grant Park Conservancy. He says this weekend's vandalism was the first time the pieces have been defaced.

The graffiti's since been removed.

Police say the boy was charged as a juvenile on Monday. He faces a series of charges including felony criminal damage to property.

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Information from: Chicago Sun-Times, http://www.suntimes.com/index