By Matt Chorley, Mailonline Political Editor PUBLISHED: 13:28 EST, 14 September 2013 | UPDATED: 15:12 EST, 14 September 2013 Nick Clegg tonight pleaded with his party to unite behind him, as Lembit Opik made fresh calls for the Lib Dem leader to quit. Writing for MailOnline, ex-MP Mr Opik warned that without a new leader the Lib Dems faced ‘destruction’. In a damning assessment of the Deputy Prime Minister’s performance, Mr Opik claims that if the party were a business ‘he’d have been fired a long ago’. Clash: Ex-Lib Dem MP Lembit Opik said it was 'nothing personal' but Nick Clegg has to quit as Lib Dem leader
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Deputy Prime Minister urges his party to take pride in being in government
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Tells rally at conference in Glasgow of the importance of 'unity
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But ex-Lib Dem MP Lembit Opik warns the party faces destruction
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Repeats call for Deputy PM to resign as leader to turn the polls around
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