The Dancing With the Stars contestant tells ET hes having to box up his emotions right now.\rbr\rbrCalifornia -- Spencer Stone, the Sacramento native credited with helping stop a shooting on a train to France was stabbed early Thursday morning in Midtown .\rbr\rbrWe know entertainment.\rbr\rbrSpencer Stone | Police release surveillance video of Spencer Stone attack Spencer Stone, one of the three Americans hailed a hero in the French train attack in .\rbr\rbrThe train was speeding through Belgium when the man emerged from the train bathroom, shirtless with a rifle -- possibly an AK 47 -- slung over his shoulder, the .