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 the boundaries of reality and myth has becomes all too easy, finds Alistair Coleman. We visit the small Russian town of Nikel where, until recently, a decades-old smelter produced tonnes of nickel. Nornikel, closed the smelter in December in a move they claim is part of their shift towards a greener future. But for hundreds of employees, their future is less clear, finds Guy Kiddey. In September 2017, a ferocious Category 5 hurricane swept through Dominica, St Croix and Puerto Rico with 160-mile-per hour winds. On the eastern-Caribbean island of Dominica, Hurricane Maria left a trail of devastation and 65 people died.. Mark Stratton went to visit the island recently where efforts continue to rebuild, even as they face a new storm front: Coronavirus.

Presenter: Kate Adie Producer: Serena Tarling