Pupils from Bovingdon School in Hertfordshire sing Happy Birthday to Boris Johnson while queuing to wash their hands at their repoened school. The Prime Minister then shows off his own handwashing practise, though it's not quite up to scratch.... Get the latest coronavirus headlines: https://www.telegraph.co.uk/global-health/science-and-disease/coronavirus-news-deaths-uk-covid-test-trace-lockdown-nhs/ Telegraph.co.uk and YouTube.com/TelegraphTV are websites of The Telegraph, the UK's best-selling quality daily newspaper providing news and analysis on UK and world events, business, sport, lifestyle and culture.