It's violent, dangerous, hurtful and deadly! The new rage spreading across the nation is a frightening game called Knockout or The One-Hitter Quitter.

This so called punching 'game' is popular among teenagers who sucker punch unsuspecting victims with the intent to knock them unconscious with one strong blow! Innocent victims have died in New York, Chicago and Pittsburg.

You may be asking why is this happening? For the fun of it, according to teens who want to see if they have the brute strength to knock somebody out. In New York, some cases are being looked at as a hate crime against certain segments of the population.

Watch a report on this disturbing trend below.