A knifepoint robbery aboard the 2 train went awry when one victim stole the robber’s knife and used it against him, police sources say.
The brawl broke out aboard a northbound train near the Bronx Park East station just before 7 p.m. Thursday when two 18-year-old men were approached by a group of eight people.
Sources close to the investigation tell News 12 that one robber, a 17-year-old boy, stole one man’s cellphones before a fight broke out, and the 17-year-old slashed the man in the face and arm…