According to ABC news, teen pop singer Justin Bieber is being investigated for battery after an altercation with a photographer who was trying to snap pictures of the singer and his girlfriend – actress Selena Gomez. The unnamed photographer said that Bieber struck him in the face as the couple exited a shopping centre in Calabasas. Bieber and Gomez left before the authorities could arrive. The photographer complained of pain and requested medical attention. Sheriff’s officials said that he was transported to a nearby hospital where he was treated and later released. Police say that the alleged victim is pressing charges, filing a police report overnight alleging battery by the 18-year-old singer. Bieber has not commented on the confrontation but took to Twitter early Monday morning to say, “gonna focus on the important stuff, the music.”