TUCSON, Ariz. -- Tucson is tightening security at City Hall in a move that Mayor Jonathan Rothschild says is aimed at preventing guns and knives from being taken into the building.
The steps to tighten security include reducing the number of public entry doors while installing metal detectors and cameras for screening people entering the building.
Also, there will be additional security staff and they'll check visitors' bags and purses.
According to the Arizona Daily Star, the changes have been under consideration for months and are prompted by events last February that officials decline to discuss.
Tucson was the site of a January 2011 mass shooting that left six people dead and 13 people wounded.
The injured included then-Congresswoman Gabrielle Giffords.
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