Justin Bieber injures back while wakeboarding

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Justin Bieber has injured his back wakeboarding and fears are growing he will have to cancel the remaining dates of the Australian leg of his world tour. The 17-year-old hurt his back in Bali last weekend where he took a short break with his rumoured girlfriend, Selena Gomez. He complained of a bad back when he arrived in Oz on Tuesday, taking to Twitter to say he had just had a 'crazy' 24 hours of travel and his "back is messed up". Sources told Splash News he had slept for most of the eight-hour journey by private jet. A doctor advised him not to go ahead with his Brisbane concert, but to the delight of thousands of fans, he did. But afterwards he Tweeted "gonna rest up . . . back is killing".