Liberal Democrat leader Sir Ed Davey calls on the government to block the by-election in Clacton-on-Sea until the parliamentary investigation into Nigel Farage's finances has concluded. Davey accuses Farage of "playing chicken" and evading the investigation through the by-election. Report by Keechl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
