Justin Bieber sued for copyright infringement

The Canadian singing sensation Justin Bieber is being sued for $10 million by two Virginia songwriters who claim he copied their song.

Devin Copeland and Mareio Overton say that Bieber's hit song "Somebody to Love" is very similar to a track of the same title that they wrote in 2008.

Justin Bieber performs in a concert at the Manchester Arena in Manchester, February 21, 2013. Credit: REUTERS/Phil Noble

The duo are also suing Usher who also features on Beiber's song, which reached No 15. in the US. Billboard Hot 100 chart in 2010.

The lawsuit alleges that "multiple producers conspired to copy their song". Lawyers for Justin Beiber and Usher have not commented.