Transit Police are looking for two guys for a stabbing at the Maverick Square T stop that started in the station lobby before spilling out into the busway around 4:45 p.m.
A second man suffered cuts and bruises. A T inspector who rushed to break up the fight was not hurt.
The suspects are described as a bald white guy in a bright red top and a black guy with dreads and wearing a black hoodies under a long green trench coat and multicolored sneakers. Both ran away; the stabber left behind the knife, which police recovered.