Deryck Whibley assaulted in Japan

Sum 41 rocker Deryck Whibley has been hospitalised after being attacked in a bar in Japan.The musician - the ex-husband of Avril Lavigne - was beaten up by three people as he drank with his bandmates.After being taken to hospital, Deryck underwent an MRI scan and was diagnosed with a slipped disc in his back.In a statement on the group's website, the band said: "It is unfortunate to say, but