Ethiopia's prime minister has said the army is moving in on the capital of the northern Tigray region after his 72-hour ultimatum for rebel leaders to lay down their arms expired.
A breakthrough in decoding brain signals could be the first step towards soldiers communicating without having to speak aloud during military operations.
The US Justice Department is quietly amending its execution protocols, to possibly end the use of lethal injection - and clear the way for firing squads and poison gas.
The World Health Organisation (WHO) has said it needs "more than a press release" about the Oxford/AstraZeneca vaccine in order to evaluate trial results.
Diego Maradona's lawyer has threatened to take legal action against the "scoundrel" who had a photo taken next to the football icon's open casket as his body lay in state in Buenos Aires.