Covid deaths in Brazil reach a record high

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There have been more than four thousand deaths in Brazil from Covid in a single day. The public health system is overwhelmed as the virus spirals out of control. The jailed Kremlin critic Alexei Navalny is moved to an infirmary as his health declines further. His doctor is arrested while protesting. And our correspondent visits The Czech town of Terezin, best known as the site of a Nazi concentration camp. Many of its buildings are now falling into disrepair and that's a concern for some Holocaust survivors.