Justin Bieber
D Dipasupil/FilmMagic
Bieber was at the superstore to debut his new perfume, "Someday," and went outside to greet fans who hadn't made it into the unveiling.
According to witnesses, when the Biebs exited the doors, the man leaped over a metal barrier and knocked him to the ground.
Bieber appeared uninjured but very "shaken up," according to local news reports.
In all the confusion, a member of Bieber's security team also tangled with a plainclothes officer. The security guard was removed from the scene and issued a summons for disorderly conduct.
"This was a momentary, well-intentioned misunderstanding that was quickly resolved, and the event went very well," the pop star's rep tells PEOPLE.
• Reporting by CARLOS GREER and JOEY BARTOLOMEO
