ST, LOUIS – Two St. Louis men are facing robbery charges after police say they stole from a man Tuesday evening on a Central West End MetroLink platform .

Police say the victim reported the robbery to a nearby officer from the Washington University Police Department.

The officer was able to arrest one of the suspects, and eventually the second who ran away. He was arrested in the 400 block of South Kingshighway.

The investigation is ongoing.

Photos: St. Louis area mug shots