BROOKLYN — A man was stabbed at a Brooklyn subway station on Thursday afternoon, police said. He was injured in the arm after he reportedly intervened in a fight between two groups, an NYPD spokesman said. The stabbing was the the Smith-9th Street station. It’s not yet clear if the man was stabbed on the platform or in a subway car. He was taken to NewYork-Presbyterian Brooklyn Methodist Hospital with injuries that are not considered to be life threatening, an […]