We have just been informed that the promoter will be canceling the Sonisphere festival this year in Knebworth. If you bought tickets for the festival, full refunds can be obtained at point of purchase. We are extremely disappointed with this decision, but we are working on a plan to see if we can arrange another date in the UK and we hope to have details for you very soon! Stay tuned!
Sonisphere's release about the cancellation is here: http://sonisphere.co.uk/news/sonisphere-knebworth-is-cancelled/