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In November 2015, Brazil suffered what is regarded as its worst environmental disaster, the collapse of the Mariana dam. Nearly five years on, a group of more than 200,000 people and organisations, has started legal proceedings in the UK against mining company BHP Biliton. It's alleged that the company failed to act on warnings over the dam. We hear from the Â鶹ԼÅÄ's Daniel Gallas and Thomas Goodhead, from the law firm PGMBM, which is representing the claimants. Plus, Nigeria is currently third in terms of the total number of coronavirus cases recorded in Africa. The country came out of lockdown in May, but cases are continuing to rise; we speak to business reporter Kunle Falayi in the former capital Lagos. Plus we hear from the Â鶹ԼÅÄ's Zoe Thomas on how a business in California is aiming to hire more workers with sight impairments. And we look into the impact of coronavirus on publishing with Stephen Lotinga, CEO of the Publishers Association. (Picture of the Mariana dam collapse by Christophe Simon via Getty Images)