Oxford University professor says the result should change medical practice worldwide

The move would reduce US troops numbers in Germany to 25,000, from 34,500

Restrictions will be loosened from Monday but some experts are worried it is too soon

Mexican state authorities arrested three officers in a bid to quell anger over the death of a man in police custody

George Floyd died after a police officer pinned him to the ground with a knee to the neck for nearly nine minutes

The video was watched millions of times and prompted anger on social media

New cases dipped to 2,886 on Friday bringing Iran’s total cases to more than 167,000

Ministry said total deaths had increased to 994, while confirmed cases had reached 21,340

Reported death toll rose by 33 to 8,646

Officials say 197 people died in the last 24 hours, bringing the official nationwide death toll to 5,725