incumbent Dem leader gives final acceptance speech before polling day . He attacks Tories for an ' ideological heir to the right ' claiming Cameron has gone from ' heir to heir ' to Farage in ' white tie ' Warns that left to their own devices the Tories will benefit the poor . Says the most interesting thing he has done is buy a pink bus . Rules out of coalition with SNP or Ukip after election .
Lib Dem leader gives final conference speech before polling day . He attacks Tories for an 'ideological lurch to the right ' Claims Cameron has gone from 'heir to Blair ' to Farage in 'white tie ' Warns that left to their own devices the Tories will target the poor . Says the most interesting thing Labour has done is buy a pink bus . Rules out entering coalition with SNP or Ukip after election .