Chopper 7 was over the Veterinary Emergency Group, located at 1114 S. Clinton St., about 6:50 a.m.
A van appeared to have crashed into the windows of the building, and a Chicago police car could be seen on the scene.
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Chicago police said a 29-year-old man was trying to park his car at the animal hospital about 6:30 a.m., when his brakes malfunctioned, causing him to crash into the building.
No injuries were reported, police said.
No one was cited.