CHICAGO (CBS)– Chicago activists and union leaders say they’re determined to keep CTA bus drivers safe.

Their plan is to set up private patrols in spots where drivers have been attacked recently.

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In one recent incident, a driver was beaten while driving down Michigan Avenue near Millennium Park.

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The activists have asked a Chicago security firm to monitor various CTA service lines where drivers have been assaulted on the job.

The activist heading the effort says no one should feel unsafe going to work.

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The transit union leaders say they’ll hold a major demonstration Saturday, including a march directly down Michigan Avenue to make their point during the busy holiday shopping season.