"The victim was accosted, without provocation, and our investigation has shown that he defended himself while attempting to retrieve his property," the Queens DA said.

Banks was wanted for knifing a 31-year-old man aboard an uptown No. 2 train at the 14th St. subway station in the West Village about 9:40 a.m. Wednesday. The victim told cops his attacker walked up to him and started an argument, then pulled a knife and stabbed him in the back.

What began as a group robbery ended in a homicide aboard a subway train. Prosecutors have provided a rare look into the district attorney’s decision not to charge a man in the fatal stabbing, saying surveillance video shows the victim acted in self-defense.

A homeless man accused of fatally stabbing two people as he was being robbed on a 7 train will not be charged, Queens District Attorney Melinda Katz announced Wednesday. Instead, his alleged robbers,

A homeless man who fatally stabbed one of several assailants who tried to rob him on a 7 train in Queens last month won’t be charged—but the surviving men who tried to rob him will be, prosecutors announced Wednesday.