It happened on Thursday, March 8, around 6 p.m., on the B-25 bus in Brooklyn.
The two apparently got in a dispute near Fulton Street and Franklin Avenue aboard the bus.
That's when the suspect spat in the 64-year-old bus driver's face and ran off the bus.
EMS responded and took the victim to Woodhull Hospital, where he was treated and released.
The suspect is described as approximately 5-foot-8 and 185 pounds.
Anyone with information in regards to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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