Reporter Richard Bilton investigates the rapid expansion of our Covid-19 testing capacity and asks whether we have got the world-beating service the prime minister promised.

While the rest of the UK has struggled to contain rising levels of knife and gun crime, Scotland has dramatically reduced violent crime in the past 15 years. But how was it done? Kate Silverton films with Police Scotland's Violence Reduction Unit, which tries to prevent crime by offering more help and compassion to those at risk of offending.