KIRSTIN RIDLEY A 200,000-strong Brazilian claimant group yesterday had failed to resurrect a 5.0 billion pound ($6.9 billion) English lawsuit against Anglo-Australian mining giant BHP over a devastating 2015 dam failure. The Court of Appeal agreed with a lower court that the vast group action was an abuse of process, that claimants were already able to seek redress in Brazil and that the case would be "irredeemably unmanageable" if allowed to proceed. Tom Goodhead, the PGMBM lawyer representing the claimants, said it was "a sad day for the English justice system" after senior judges agreed that the claim, relating to…