Coronavirus outbreak

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Health officials in China have published the first details of more than 70,000 cases of Covid-19, in the biggest study since the outbreak began. Amazon boss Jeff Bezos has pledged $10bn (£7.7bn) to help fight climate change.The world's richest man said the money would finance work by scientists, activists and other groups. The aid operation in north-eastern Syria is being "overwhelmed" as the number of people displaced by the government offensive in Idlib rises, the UN said on Monday.