Death rate rises in England, Scotland, Wales and Northern Ireland; Crown court jury trials to start on Monday; Boris Johnson acknowledges frustration over lockdown rulesGove tells councils to ‘look to their responsibilities’ and open schoolsUS and UK ‘lead push against global patent pool for Covid-19 drugs’Scientists divided over risk to children if schools reopenCoronavirus – latest global updatesSee all our coronavirus coverage 4.46pm BST Sharma said the government has already invested £47m in the Oxford University and Imperial College London vaccine trials, but is today announcing a further £84m funding to help accelerate their work.