Patrick Fazio, NBC Chicago, May 12, 2018

There are calls for quicker police response after mobs of teens seriously injured a man last weekend and then, an alderman says, came here to the Mag Mile jumping on cars and intimidating shoppers.

Neighbors say they don’t feel safe and one restaurant manager nearby told me off-camera she locked the doors when she saw dozens of teens fighting.

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Neighbors worry about recent violent mobs of youths who come to River North on the Red Line.

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Police responded to about 50 teens fighting last Saturday here at the corner of State and Chicago.

“The punks are coming everywhere,” Brinckerhoff said. “They seem to, no area’s really safe.”

Earlier that same evening nearby on Lake Shore Drive a couple dozen teens beat up a man walking with his girlfriend.

Ald. Brian Hopkins called police days later when the victim’s parents say the cops never filed a report of the attack.

“They were leaving beach to go downtown when the unprovoked attack happened,” he said. “I don’t have explanation for what went wrong. Police are looking into that.”

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That man is now out of intensive care.