The 'knockout' violence in NYC

Terrifying 'knockout game' returns to New York: TWENTY innocent people have been sucker-punched so far this year - with victims including man, 52, who almost died and shopper in mall

•  Random sucker punches on New York City streets have spiked this year, sparking fears a warped game known as 'knockout' has returned 
•  Convicted sex offender Bui Van Phu, 55, leveled Jesus Cortes in an unprovoked punch on August 12
•  A 36-year-old shopper was knocked out standing in a cowardly sucker punch in the Kings Plaza Mall on August 20
• A 74-year-old Asian woman was nearly sent stumbling into to Midtown traffic in an random assault on Madison Avenue 
•  Felony assaults have climbed by 18.8 percent since last year