15-year-old slashed, stabbed by several attackers in Bronx subway station

A 15-year-old was beaten and stabbed by as many as six attackers in a train station in the Bronx, cops said Monday.

The ruthless assault, which was captured on surveillance video, took place just after 11 p.m. on Saturday at the 149th St. Grand Concourse subway station, police said.

Video shows...