Straphanger stabbed in the face in unprovoked Brooklyn subway attack

Transit detectives are looking for the man who stabbed a straphanger in the face in an unprovoked attack inside a Brooklyn subway station on Sunday evening.According to police sources, the brutal assault unfolded inside the Rockaway Avenue station just before 6 p.m. on Sept. 20.Law enforcement sources said the victim, a 26-year-old man, was standing on the southbound C train platform when he was stabbed in the face with what was described as a metal object. Police report that the pair did not kn