A man has been arrested and charged in the killing of an 18-year-old aboard a subway train last week.
Mark Smith, a 25-year-old East Flatbush resident, is being charged with manslaughter, assault, and two counts of criminal possession of a weapon, according to the NYPD. Smith allegedly stabbed and killed Isaiah Collazo, a Staten Island resident, during a dispute onboard a D train at the Atlantic Avenue-Barclays Center station on April 6.
