50 Cent denies onset fight with co-star

50 Cent has laughed off reports he attacked his 'Righteous Kill' co-star Frank John Hughes after a heated argument on set - the fight was part of the film plot.

50 Cent has laughed off reports he attacked his 'Righteous Kill' co-star Frank John Hughes after a heated argument on set saying that the fight was part of the film plot.

The star - whose real name is Curtis Jackson - was alleged to have hit out at Hughes after being confronted for not knowing his lines.