Bieber Fever struck today on Long Island, thousands upon thousands of fans forced the local authorities to shut down the Justin Bieber signing.

Listen here for Justin Bieber's Explanation with Astra.

Girls Gone Wild at Justin Bieber Mall Signing
From TMZ

Fans went crazy ... anticipating the arrival of 15-year-old music star Justin Bieber at a Long Island mall.

Bieber never showed, because over 1,000 screaming girls showed up and mall security lost control of the crowd. One person was arrested.

Bieber posted the following message on his Twitter account, pleading with his fans to leave the mall:

"The event at roosevelt mall is cancelled. please go home. the police have already arrested one person from my camp. I dont want anyone hurt."

The injured girl should be okay.

UPDATE: Employees at Abercrombie Kids tell TMZ someone in the mall falsely screamed out that Justin was inside their store, so a ton of kids rushed the place. The workers said a fight broke out in front of the store -- and that it wasn't the only fight that occurred.

Read more.