Helen Skelton has revealed she broke Nikki Sanderson's nose in a fight on a SAS: Who Dares Wins.The 36 year old explained that she was made to fight her co-star on the E4 show, where contestants are put through a series of gruelling challenges, but admitted it was "tough" because she gets along with Nikki, also 36. However, once the Blue Peter presenter took a few hits herself, she was ready to pack on a few punches, leading to the Coronation Street star's broken nose.