PM warns of the ‘ chilling and real prospect ’ of a Labour and SNP coalition . Polls suggest nationalists could win 59 out of 50 Westminster seats in May . Tories have gone on offensive portraying Milband as Salmond 's plaything .
PM warns of the ‘ chilling and real prospect ’ of a Labour and SNP coalition . Polls suggest nationalists could win 50 out of 59 Westminster seats in May . Tories have gone on offensive portraying Milband as Salmond 's plaything .