At 3:58 a.m., multiple 911 callers reported a fight near Belmont and Sheffield.
A gang was beating someone with a bat, said one eyewitness account.
Subsequent information indicated there was a related incident farther south, on the 3100 block of North Kenmore Avenue, near Barry and Kenmore.
According to an officer at the scene, the melee started when a Chicago taxi cab and a black Acura Legend collided on the 1000 block of West Belmont Avenue, between Sheffield and Kenmore.
During the accident, the Acura -- described by police as the offending vehicle -- loss control and slammed into a dentist’s office at 1015 West Belmont Avenue, said police.
Authorities said the impact left a large hole in the structure.
After the crash, several people involved in the accident apparently chased someone to 3127 North Kenmore, according to police communications.
The Chicago Fire Department responded to an injured man at the corner of Kenmore and Barry.
At the time of this report, no further details were available.
UPDATE: The female driver of the Acura was take to an area hospital and several people were arrested, said police.