Beliebers riot at Justin show

Feverish ... Justin Bieber 

WITH all those hormones surging around BELIEBERS can be a frenzied bunch.

And one crowd of JUSTIN BIEBER fanatics at a recent show proved to be just that.

The teen titan had to halt his performance to stop a riot breaking out.

During a concert in Pittsburgh the wee man lobbed his towel into the crowd.

And a scrap erupted between fans desperate to claim the memento.

After telling his band to stop playing he addressed the warring parties directly, saying: "You can't fight over it, don't fight over it...someone's gonna get hurt. Let it go, let it go, let it go."

Fortunately Justin has unimaginable sway over his followers and they soon settled down.

He couldn't stop laughing after the melee and had to restart his song Baby twice, even getting the crowd to sing it for him and he struggled to stifle his laughter.