A teen spat in the face of a 69-year-old man at the Eastern Market Metro station Friday, then punched him in the face, Metro transit police say.

They're still looking for the teen, who fled after the incident.

Police said the incident began at about 1 p.m. as the male teen and the 69-year-old man got into an argument while leaving a train at the Eastern Market station. The argument continued on the escalator.

The teen met the man at the top of the escalator and spat on him, then punched him several times, according to a video released by transit police. The man was knocked onto the escalator and was transported to a hospital for treatment.

Anyone with information about the attack should call Metro Transit Police Detectives at (202) 962-2121 and reference case #2015-21061. Tips also can be sent via text message to "MyMTPD" (696873).