UPDATED: TMZ is reporting that Bieber was actually knocked down by an undercover cop who had lept to his defense when a crowd got rowdy; not realizing he was a police officer, Bieber got defensive, and his security team tried to pull the police officer away.
Things were cleared up, however, and disorderly conduct charges against one of his bodyguards were dropped. Scroll down for a photo, and click over to COED Magazine for more.
Justin Bieber was jumped and knocked down by a man outside a New York City Macy's where he was signing autographs, ABC 7 Eyewitness News in New York reports.
Bieber, who appeared on "The Late Show" in the city Wednesday night and appeared on "The View" earlier Thursday, was assaulted after coming outside to tell fans that they would not be able to access his cologne debut and autograph signing; only fans who had waited in line to receive a ticket were allowed in.
When he stepped out, ABC reports, a man took him to the ground after jumping over a barrier; the teen star was uninjured, but "very shaken up," a source told the news station.
The man was taken away by police.
For more, click over to ABC 7 Eyewitness News.
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more