A vehicle on Lake Shore Drive hit a pedestrian when a group of people tried to run across the roadway near the Gold Coast early Sunday.
The group of five people was running across the northbound lanes in the 1300 block of North Lake Shore Drive about 12:35 a.m., police News Affairs Officer Amina Greer said.
A vehicle hit one of the pedestrians, leaving him or her critically injured, Greer said.
Paramedics took the person to Northwestern Memorial Hospital.
The police Major Accident Investigation Unit is investigating.