UPDATE: Authorities have identified the man and they thanked the public for their help.
MADISON, Wis. - Authorities are asking for the public's help in identifying a man who was found floating in Lake Mendota in Madison early Friday.
Madison police said the man, described as white, 5 feet, 6 inches tall and weighing 130 pounds, was found at about 6 a.m. in the lake near Lake Street. A passerby spotted him in the water.
He was found alive but unresponsive and taken to the hospital, the Madison Fire Department said.
Police are asking for help identifying him and released two images Friday afternoon.
One image shows a man with what appeared to be short, dark hair wearing light-colored loose pants and a dark colored sweatshirt. Another photo shows the shoes he was wearing, red, black and gray high-top Nike shoes.
Anyone who has information about the man's identity is asked to call 911.
Police said Friday afternoon that the man remains hospitalized.