Unite's Len McCluskey warns over Labour 'defeat' in 2015
1 April 2014 Last updated at 17:39 BST
The leader of Britain's biggest trade union has warned Ed Miliband that Unite could break its links with Labour if the party loses the next election.
Len McCluskey told a press gallery lunch at Westminster that Labour leader Ed Miliband had not yet presented a "coherent vision" to the electorate.
The BBC's James Landale explained more of what Mr McCluskey told reporters at Westminster.