Justin Bieber swears by a snapper stoush WATCH as Justin Bieber stops mid-performance and bends over with his hands on his knees looking dazed and out of breath then walks off stage. Courtesy YouTube/Prithvi Pandya. Justin Bieber seen returning to his London hotel on March 8 / Pic: Neil Mockford/FilmMagic Source: The Sunday Telegraph THE pressures of life in the spotlight could be getting to pop superstar Justin Bieber, who unleashed a foul-mouthed rant at a photographer on Friday. The altercation kicked off as the 19-year-old singer and his entourage moved a group of photographers out of the way as they left his London hotel. As the Canadian singer got into his waiting vehicle, the snappers protested that they had been "assaulted," and labelled the teen idol a "little moron." After one of the group shouted that Bieber should "f ... off back to America," the Baby hitmaker lost his temper and launched into a foul-mouthed tirade at the paparazzi. Pushing his way out of the vehicle and shoving past members of his entourage, he fumed: "What the f ... you say? What'd you say? I'll f ... ing beat the f ... out of you, man. With his face grimaced up in anger, the star had to be held back by a member of his security team as he attempted to grab the camera from the photographer. The singer was quickly bundled into the back of the car by his team, with the snappers left shouting, "Come back without your f ... ing bouncers" and was driven away from the scene. Shortly after the scuffle, Bieber explained the situation to his 35.5 million Twitter followers, blaming the argument on the pressures of a rough week. Trying to feel better for this show tonight but let the paps get the best of me ...  Bieber tweeted. His latest controversy comes after he collapsed on stage during his set at London's O2 on Thursday night, and had to be taken backstage to be checked out by doctors. After struggling with breathing difficulties, the singer reportedly shrugged off medical advice and returned on stage to finish the set for his so-called Beliebers.He tweeted his fans to say thank you for their support, while posting a picture of himself lying on a hospital bed. Bieber was released from hospital just hours before the scuffle with the snappers in London.