Ed Miliband has vowed to "fight for a fairer, more just, more equal Britain" and has urged Labour supporters to join him.
He said that despite what critics threw at him he 'was going nowhere.'
The Labour leader was speaking at the University of London in an attempt to to relaunch his party to the UK electorate.
Nigel Farage has responded to Ed Miliband's attack on Ukip by challenging the Labour leader to a head-to-head televised debate.
In a speech earlier today Mr Miliband made several references to Ukip and told Labour supporters "we can take this lot apart".
This prompted Ukip leader Mr Farage to tweet the following letter laying down his challenge to Mr Miliband.
Ed Miliband has declared he is the man to win the General Election, but will the Labour leader make the final whistle?
With less than six months to go until the General Election, what will Ed Miliband do today to turn around his party's fortunes?