Bieber investigated over claims he 'attacked' neighbour

Justin Bieber performs in Paris, France. Credit: Guibbaud Christophe/ABACA/Press Association Images

Police are investigating claims that singer Justin Bieber attacked and threatened a neighbour during an argument in Los Angeles.

Steve Whitmore, a spokesman for the Los Angeles County Sheriff's Department, said: "There have been allegations made against Mr Bieber of battery and making threats."

No arrests have been made and it is not yet clear who called the authorities.