Petra Diamonds has delayed the publication of an internal probe into alleged human rights abuses at its Williamson mine in Tanzania after obtaining fresh information related to the case. The company had originally committed to provide feedback on an investigation being carried out by an external adviser, in conjunction with its legal advisers, by the end of March. The announcement comes only days after UK-based corporate watchdog RAID revealed it had further evidence of alleged abuses at the diamond mine. The non-profit organization published a new report on March 25 that included dozens of eyewitness accounts on how security guards employed at Williamson allegedly abused their power. Petra reacted to the report by saying it had taken a number of actions to address the situation at the mine, including the replacement of the third-party security contractor Zenith.