Business & Human Rights Resource Centre ? You're browsing our English site, so by default we are only showing content in English. If you'd prefer to view all available content regardless of language, please change this switch. Show all languages Featured pages Featured pages Update Featured pages Featured pages Story Petra Diamonds reaches a settlement with 71 claimants for alleged human right abuses at its Tanzanian subsidiary; includes statements by RAID & Leigh Day Article Petra Diamonds Limited confirms that a settlement has been reached, on a no admission of liability basis, in relation to claims brought in London (âthe Claimsâ) by Leigh Day, a UK based law firm, on behalf of 71 anonymous claimants, in relation to alleged breaches of human rights, associated with third-party security operations, at the Williamson Mine