Builders, bakers and cheeseburger-makers: the UK workers struggling in extreme heat

From chefs to paramedics, workers tell the Guardian how they are coping and unions outline the changes needed in the workplace In the sweltering kitchen of the Plimsoll pub in north London, the head chef, Joshua Swinney, has a frozen tea towel wrapped around his neck to combat the heat. As temperatures exceeded 35C (95