parliament will vote against ' any bit of spending ' it disagrees with after election . Nationalist legislation could paralyse the UK government by blocking legislation . criticism came as Labour 's Angela Eagle said they cannot speak to any party . SNP said it would allow Ed Miliband to ransom over Trident if he is convicted .
SNP will vote against 'any bit of spending ' it disagrees with after election . Nationalist MPs could paralyse the UK government by blocking legislation . Threat came as Labour 's Angela Eagle said they would speak to any party . SNP suggests it would hold Ed Miliband to ransom over Trident if he is PM .