EAST ST. LOUIS, Ill. (AP) — Some East St. Louis residents are challenging a city decision to keep the proposed location of a medical marijuana growing operation under wraps.

Progressive Treatment Solutions of West Chicago has been awarded the state's sole license to grow medical marijuana in a five-county area that includes St. Clair and Madison counties. But the city has declined to disclose the planned location of the indoor growing operation, citing security concerns.

The Belleville News-Democrat (bit.ly/1FGMrs5) reports that a St. Clair County judge issued a temporary restraining order last week blocking the East St. Louis City Council from declaring the cultivation center meets city zoning standards. The judge's order came hours before the council was scheduled to endorse the location.

A hearing on whether to lift the restraining order is scheduled for Thursday.

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Information from: Belleville News-Democrat, http://www.bnd.com