Police are asking for the public's help identifying a man found unconscious and near death on the Upper East Side.
The man was found by Madison Avenue and East 70th Street at about 3 a.m. Police do not know if he was attacked, got into a fight or suffered from a medical condition.
The man's hat was also found near the scene. Police did not find a wallet and did not know his name, age or where he is from.
He was taken to New York Presbyterian Hospital and remains in critical condition.