announced a host of tighter restrictions for Bolton today (September 8). The restrictions are in response to a 'very significant rise' in the number of coronavirus cases in Bolton with an infection rate of 120 cases per 100,000 - the highest in the country.The health secretary blamed the rise 'partly due to socialising by people in their 20s and 30s' and the virus spreading 'significantly' at a number of pubs, discovered by contact tracing.The rise in cases in Bolton is partly due to socialising by people in their 20s and 30s, we know this from contact tracing," the Health Secretary told the House of Commons this afternoon.“And through our contacting tracing system we’ve identified a number of pubs at which the virus has spread.