Campaigners were dressed in black to commemorate the disaster, which could lead to up to 100,000 cancer-related deaths. They formed a single-filed procession on the pavements of the city centre to demonstrate against the likely decision by the government to built new nuclear power plants.

Once in the centre of town, student activists unfurled banners against the Dalton Nuclear Institute and one advertising the Camp for Climate Action. Not content with walking on the pavement, 25 people broke off from the main procession taking the short cut through a shopping arcade on to the road.

They managed to hand out lots of anti-nuclear material and to publicise the Climate Camp, undisturbed by police. Highlight of the day: fitting 25 people through the revolving doors of the shopping centre.