PM stresses in video Q&A with parents that English schools will close as a last resort this winter
Parisian pedestrians must wear face coverings from Friday; Spain says school children over six must wear masks; China goes 12 days without local case
Intelligence cyber crime agencies called in to help after chaotic week of distributed denial of service attacks
Collapse of shelves would accelerate loss of Antarctic ice sheet and increase sea-level rise
Hong Kong case leads scientists to doubt development of antibodies in previous patients, but other experts say it is no cause for alarm
While a cure-all drug or therapy is a long way off, there have been some breakthroughs
People told to travel long distances to test centres because daily allocation has been taken
Police allege the 22-year-old was transferred to a quarantine facility after returning a positive result
Chief medical officers says risks must be balanced against harm for children by not attending school
Chief medical officer believes ‘reasonable chance’ of vaccines before winter of 2021-22