He added: ‘The truth is this is not a policy that could or will be analysed for its effectiveness, it is simply a nasty political stunt by the Tories and it is a disgrace that the Home Office is allowing itself to be used in this way.’ Supportive: Boris Johnson (pictured last Thursday) mayor of London, defended the campaign, describing it as 'blunt' and 'uncompromising' A Lib Dem source dismissed Tory suggestions that the campaign had been agreed by a Home Office  ‘team’ that included Lib Dem minister Jeremy Browne, saying: ‘We did not see or approve these posters, which we see as distasteful and not very sensible.
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