(East St. Louis, IL)  —  Police are searching for suspects who shot a man while he was getting off a MetroLink train.  The shooting happened Monday night at the Emerson Park MetroLink Station in East St. Louis.  Police believe the shooting stemmed from an attempted robbery.  A man was robbed at his apartment and went to find a police officer.  The robbery suspects followed him to the MetroLink station and fired at him, but hit a different man who was getting off the train at the time.  The victim was taken to St. Louis University Hospital for treatment.