Dr Raghib Ali, the government's adviser on COVID-19 and Ethnicity, says the COVID situation has "really changed" in the last fortnight.
The Delta variant has "transformed the situation" he says, adding that we need to be "very cautious" going forward and a delay to the last step out of lockdown is "inevitable".
SUBSCRIBE to our YouTube channel for more videos: www.youtube.com/skynews
Follow us on Twitter: twitter.com/skynews
Like us on Facebook: www.facebook.com/skynews
Follow us on Instagram: www.instagram.com/skynews
For more content go to news.sky.com and download our apps:
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí www.youtube.com/channel/skynewsespanol