Ed Miliband calls Labour union reforms "huge change"
22 September 2013 Last updated at 10:57 BST
Ed Miliband has defended his proposed reforms to the relationship of union members with the Labour Party.
Speaking on the Andrew Marr Show, the Labour leader says it will a "huge change in our party".
But the Labour leader declined to give details of what might happen to the unions' voting strength at party conference and in future leadership elections