The day’s top stories from BBC News. Delivered twice a day on weekdays, daily at weekends
Trump acknowledges transition of power to Biden
The US president says the “initial protocols” must be carried out, though he’s stopped short of admitting defeat. Also, a European Union report finds that Afghanistan has become a major producer of crystal meth. And Russian scientists announce the promising results of their coronavirus vaccine trials.
John Kerry named as Biden's climate envoy
The former secretary of state is among the names announced for key roles in the new US administration. Also: Qantas says a Covid-19 vaccination will be a requirement to fly, and is Hanko about to disappear from being a Japanese tradition?
British coronavirus vaccine up to 90 percent effective
The Oxford University jab, developed with the drug company AstraZeneca, is cheaper and simpler to store than its rivals. As a result, it should be easier to supply to developing countries. Also: the 23 year-old who’s created a home cancer test kit, the words that have been making headlines this year, and the American kid who survived life in Syria under the Islamic State group.
Merkel 'worried' over vaccine rollout despite G20 pledge
G20 leaders said they will "spare no effort" to ensure fair distribution of Covid-19 vaccines. Also: Ethiopia PM issues 72-hour ultimatum to Tigray, and the environmental problems caused by disposable synthetic gloves.
California imposes Covid-19 curfew as US cases hit 12 million
Millions face stay-at-home orders as the US faces a surge in coronavirus infections. Also: a virtual G20 summit opens in Saudi Arabia, and Sentinel-6 - a "dog-kennel" shaped satellite blasts off on ocean mission.
UN warns Yemen is in imminent danger of a catastrophic famine
The UN secretary general Antonio Guterres blamed the situation on Yemen's continuing war. Also: Georgia officially certifies Joe Biden as winner, and the travel writer Jan Morris dies aged ninety-four.