From Our Own Correspondent

Brazil is going through a deadly second-wave of Covid-19 – and it’s precipitated the collapse of the health system in– Manaus, the biggest city in the Amazon. The hospitals are overloaded with patients and oxygen supplies have run perilously low. Local and national leaders are now coming under scrutiny for their management of the outbreak. Katy Watson visited Manaus. We hear from Afghanistan, where there has been a recent surge of targeted killings, blamed on the Taliban. Peace talks between the Afghan government and the Taliban have stalled, and the rise in violence is proving a toxic backdrop. Meanwhile, locals are worried that the further US drawdown in troops could herald the Taliban’s return, says Yogita Limaye. We have an insight into the cyber world of online extremists. Meet the team who track the outlandish web of conspiracy theories spun by shadowy groups. They watched the emergence of the group now known as QAnon. In a fiercely divided America where facts are often dismissed as fake news, blurring