Complaint filed after heat lamps turned on during strike

July 28, 2011 (CHICAGO)

As workers staged a one day strike during last week's heat wave, someone at the Park Hyatt turned on the hotel's outdoor heat lamps. The hotel has apologized for the incident. But the union complaint accuses the hotel of assaulting the workers.

The hotel says it has filed its own complaint accusing the union of unlawful picketing.

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