Four people overdosed early Sunday morning at nightclub Y Bar, 224 W Ontario St. Credit: Instagram

RIVER NORTH — Four people were hospitalized in critical condition early Sunday after overdosing at a River North nightclub, according to reports.

About 2:50 a.m., police and paramedics were called to Y Bar, 224 W. Ontario St., where four people had overdosed, according to the Sun-Times. One woman was unconscious on a couch and two men were unconscious on the ground, according to CBS2.

Two men were taken to Rush University Medical Center, and two people were taken to Northwestern Hospital, according to the reports. All were in serious to critical condition and were given Narcan, which can reverse overdoses, according to CBS2.

Y Bar officials did not immediately respond to request for comment.