From the BBC World Service: A civil trial is beginning in London to determine whether the mining company was responsible for the 2015 Mariana dam collapse. Then, ByteDance has sacked an intern for “maliciously interfering” with the training of one of its artificial intelligence models. And more than 100 professional women’s soccer players have published an open letter calling on FIFA to end its sponsorship deal with state-owned Saudi Arabian oil giant Aramco.