8 September 2013 Last updated at 04:21 ET
Unite general secretary Len McCluskey has said he is "delighted" the union has been "vindicated" over Falkirk vote-rigging allegations.
Claims it tried to rig the selection of a party candidate led to a row with Labour leader Ed Miliband.
Labour has since decided no individual or organisation broke rules after evidence of wrongdoing was withdrawn.
Source: BBC News - Business http://www.bbc.co.uk/news/uk-politics-24006702#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
