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Democrats introduce article of impeachment against Donald Trump, charging him with "incitement to insurrection"
UK records 1,564 deaths within 28 days of a positive Covid test – the highest daily figure since the start of the pandemic
The US executes the first woman in 67 years – Lisa Montgomery, who was convicted of killing a pregnant woman, died by lethal injection
The UK economy shrank by 2.6% in November as lockdown restrictions reduced economic activity, official figures show
Covid variant thought to have emerged in Brazil detected in UK and probably introduced "some time ago", leading scientist says
More than two million people around the world have now died with Covid-19
UK Prime Minister Boris Johnson tests positive for coronavirus and is experiencing mild symptoms, says No 10
Physicist Stephen Hawking has died at the age of 76, a spokesman for his family has said
Coronavirus vaccine developed by Oxford University appears safe and trains the immune system, key early trials show
Leaked documents reveal some of the world’s biggest banks allowed criminals to move dirty money around the world