Supermarket workers in Wisbech are going to strike, the GMB Union has warned. More than 170 Asda workers are set to strike after voting overwhelmingly for industrial action. The ballot – which they say was sparked by cuts to hours and management culture – saw more than 97 per cent voting to walk out, with a turnout of 87 per cent. Workers are also angry about alleged poor levels of training and support for their job roles, claims that an equal pay claim has dragged on for years, and health, safety, and fire safety issues. Wisbech will become just the second Asda store to face strike action aft…