MELROSE PARK, Ill -- Emergency crews are at the scene in Melrose Park after several people suffered apparent carbon monoxide poisoning.
Crews on scene in Melrose Park of several people with CO poisoning from a vehicle running in an attached garage. pic.twitter.com/M7HGUSqCV2
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Crews responded to the scene around 6 a.m. Wednesday.
Nine people were hospitalized. Their conditions are unknown.
Reports indicate a vehicle was left running in the garage while they were sleeping.
This is a developing story. Check back for details.