Wark said the amount of money and media attention the Democrats spent in the state attributed to the "overall heightened awareness" of the Republicans.

CNN: Conservatives, late deciders boost Romney in Nevada GOP caucuses

It is understood that the NUJ's Scottish organiser Paul Holleran is now planning to approach the inquiry, BBC management and Wark Clements.

BBC: NEWS | UK | Scotland | Inquiry supremo seeking closure

However, in an interview in The Observer newspaper, Mr McConnell again defended his friendship with Ms Wark and his family's stay at her villa in Spain.

BBC: NEWS | UK | Scotland | More Wark pressure for McConnell

Lord Fraser has asked for access to the untransmitted material recorded for a BBC Scotland programme by independent production company Wark Clements.

BBC: NEWS | UK | Scotland | Inquiry supremo seeking closure

Meanwhile, Mr Paxman's fellow Newsnight presenter, Kirsty Wark, said there "was definitely a communications problem" between Mr Rippon and the journalists working on the Savile investigation.

BBC: Savile inquiry: Paxman said DJ rumours 'common gossip'

"News has a pretty good story to tell with Kirsty Wark, Martha Kearney and Maxine Mawhinney all flourishing - as well as highly experienced women out in the field like Bridget Kendall, Caroline Wyatt and Orla Guerin, " he said.

BBC: seeks older female newsreader

Thousands of Republicans filled caucus rooms Saturday morning for the vote, sometimes forcing a delay in the start of the voting "to make sure everybody got where they needed to go, " said Nevada Republican Party spokesman Steve Wark.

CNN: Conservatives, late deciders boost Romney in Nevada GOP caucuses