CHICAGO (CBS) — A small but very vocal Occupy Chicago protest group marched through the Loop Tuesday afternoon, demanding some sort of compensation for what they say were the injuries they suffered during the NATO protests.

What the Occupy demonstrators – about 25 or 30 of them – say they want is for the city to reopen the mental health clinics that have been closed.

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That’s the kind of compensation they’re talking about.

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“I would rather have my taxpayer money going towards emergency rooms, mental health clinics and services that we could’ve used after the violent arm of the war machine came down and brutalized us with batons and bicycles,” said Occupy member Sugar Russell at the Thompson Center.

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The group had a brief confrontation with security there, who told them they couldn’t bring signs or flags into the Thompson Center

Afterward, at City Hall, their next stop, was a similar confrontation.

The group stood outside the fifth floor office of Mayor Rahm Emanuel, and told a spokeswoman what they wanted.

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They waited for a while for a response – then left.