Former prime minister says Nicola Sturgeon 's answers are 'all evasion ' But that her party want 'constitutional crisis ' to force another referendum . Warned voters on next few years will decide Scotland 's future for May 7 . Mr Brown urged people to vote Labour to end bedroom tax , food bank poverty , zero-hours contracts and the neglect of the NHS .
Former prime minister says Nicola Sturgeon 's answers are 'all evasion ' But that her party want 'constitutional crisis ' to force another referendum . Warned voters on May 7 will decide Scotland 's future for next few years . Mr Brown urged people to vote Labour to end bedroom tax , food bank poverty , zero-hours contracts and the neglect of the NHS .