Wales 'firebreak' lockdown begins – as it happened

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• Half a million Americans could die of Covid by end of February'
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• Facebook moderators forced to work in Dublin office despite lockdown

12.24am BST

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Here's what we learned on Friday:

11.47pm BST

Brazil's health regulator has authorised the import from China of a potential vaccine against the coronavirus, just days after president Jair Bolsonaro insisted he wouldn't allow doses to be shipped from the Asian nation, AP reports.

The health regulator, Anvisa, said in a statement Friday that Sao Paulo state's Butantan Institute can import 6 million doses of the CoronaVac shot that Chinese biopharmaceutical firm Sinovac is developing. The potential vaccine cannot be administered to Brazilians as it isn't yet approved locally, the statement said.