Rebel MP John Hemming has announced he wants to lead the Liberal Democrats.
The Birmingham MP (pictured) hopes to replace Charles Kennedy, the embattled Lib Dem leader who has been the subject of constant criticism this week.
But he admitted it was too soon to launch his bid, as he only became an MP in May, winning the Yardley seat from Labour.
Mr Hemming, a successful businessman, has been deputy leader of the city council, and leader of Birmingham's Lib Dem group for many years.
Earlier this week he humiliated Mr Kennedy by leading a successful revolt against the leadership's proposals to privatise the Royal Mail.
Delegates at the Lib Dem conference in Blackpool defied party bosses and backed Mr Hemming's call to "refer back" the policy, effectively scrapping it.
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He revealed his ambitions on his website, which he has been updating from Blackpool.
Mr Hemming wrote: " Although I would quite like to be leader of the party (although I am also quite happy to remain a backbencher), I would like Charles Kennedy to remain leader for a while.
"After all I have only been an MP for about five-andahalf seconds and it would be far too soon to fight a leadership campaign."