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Video of the Green Line fight precipitated by a white passenger using the “n” word is sweeping the local Internet. Now news breaks, via Metro statement, that the transit agency is investigating the altercation.

The racial slur-dropping passenger is a 62-year-old from Brandywine, Md., according to the Metro statement. According to Metro, the fight occurred just before 6:00 p.m. yesterday, as the Branch Avenue Green Line train neared the Anacostia Metro station.

Metro police are investigating the incident, according to Metro spokesman Philip Stewart, but no charges have been filed yet against the Maryland man or other passengers.