Officials reported that Marine unit troops rescued a 67-year-old man who had fallen into Lake Michigan on Sunday.
Police said the incident happened in the 3900 block of South Lakeshore Drive at around 3 p.m.
According to authorities, Marine Unit members dragged him out of the sea after he fell while riding a bicycle.
The victim was sent to the University of Chicago Hospital in critical condition, according to officials.
As of Sunday evening, there was no additional information available.
