Justin Bieber: Possible Riot Situation in Liverpool!

Justin Bieber hits the stage for another show during his My World Tour on Friday (March 11) in Liverpool, England.

Earlier in the day, the 17-year-old singer was holed up in his room because hundreds of screaming fans swarmed the outside of his hotel!

Sources told TMZ that Justin and his team were warmed they could be arrested for inciting a riot if he went near the balcony.

About 25 guards were called in to control the crowd and Justin had to cancel his Beatles tour because of all the chaos.

15+ pictures inside of Justin Bieber performing in Liverpool…