Good evening. As thousands of students are preparing their return to university, data now shows the highest number of detected infections of coronavirus, is in young people. A leading epidemiologist said today, she believes the country is at a critical moment in controlling the spread of the virus. This evening, bolton has announced tighter restrictions. The council says the towns infection rate has risen to 99 cases per 100,000 people, per week the highest in england. Residents have been asked to only use public transport for essential purposes and not to mix with other households in any setting but this doesnt apply to support bubbles. In leeds, young people are being urged to take responsibility for controlling the spread of coronavirus following an increase in house parties in the city. Leeds was added to the Public Health england areas of concern as covid rates rose to 32. 5 cases per 100,000 people. 0ur correspondent Richard Galpin reports. The new University Year is approaching