In each of these articles the jounalist uses the word “cull” in relation to David Cameron, David Miliband and Nick Clegg

http://toryaardvark.com/2014/07/15/uk-david-cameron-culls-greens-from-government/

http://www.bbc.co.uk/news/uk-politics-29319189

http://www.theguardian.com/politics/2012/sep/03/nick-clegg-ends-agreement-on-mps-cull

Who should be reported to the police: the journalists or the Leaders?