A straphanger was stabbed on a Bronx subway platform late Tuesday – and then stumbled into a train car looking for help, cops and sources said.
The unidentified victim – believed to be in his 30s – was knifed in the chest on the northbound B train platform at Bedford Park Boulevard around 10:15 p.m., authorities and sources said.
Heartless trio stabs man, 45, in head during brutal NYC robbery, leaving him critically hurt: cops…