The Staggers 19 April 2012 Alan Sugar comes out against Ken Labour peer declares that "Livingstone must NOT get in". Sign UpGet the New Statesman's Morning Call email. Sign-up It's easy to forget that Alan Sugar is a Labour peer (and a significant party donor) but he is and he's just become the first Labour politician to come out against Ken Livingstone. On Twitter, Sugar wrote: "Livingstone must NOT get in on 3rd May". SKY doing live Mayoral interview with candidates at 8pm today Johnston v Livingstone is real issue. Livingstone must NOT get in on 3rd May — Lord Sugar (@Lord_Sugar) April 19, 2012 After users pointed out that Livingstone was the official Labour candidate, Sugar posted an even more provocative tweet. I don’t care if Ed Miliband is backing Livingstone . I seriously suggest NO ONE votes for Livingstone in the Mayoral elections — Lord Sugar (@Lord_Sugar) April 19, 2012 Given Sugar's celebrity status Labour will be reluctant to discipline him but he has all but endorsed a rival candidate ("Johnston (sic) v Livingstone is real issue," he wrote). Yet given that Ken openly campaigned for a non-Labour candidate in Tower Hamlets (independent Lutfur Rahman) he can hardly expect unquestioning loyalty from others. › Labour set for major gains on 3 May Alan Sugar was made a Labour peer in July 2009. Photograph: Getty Images. George Eaton is senior online editor of the New Statesman. Subscribe For daily analysis & more political coverage from Westminster and beyond subscribe for just £1 per month!