An ATR-72 aircraft operated by Voepass Linhas Aéreas,has crashed in the Brazilian state of São Paulo, killing all 57 passengers and four crew on board. :(
More here from BBC News.....https://www.bbc.co.uk/news/live/c98q5yl39w9t
and ASN.....https://asn.flightsafety.org/wikibase/409335
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Saw the footage. Tragic. Lots of different reports/thoughts on cause. One is that the plane suffered ice build up on the wings. Pilots apparently requested a lower altitude, as per procedures, but it was deined by ATC.