Petra Diamonds already faces court action on similar grounds, as its contractors are accused of continued assaults on illegal miners
A Tanzanian mine that produced a flawless pink diamond for one of the Queen’s favourite brooches is investigating claims that security personnel have shot and assaulted illegal miners.
New allegations come months after a lawsuit alleging “serious” human rights abuses was filed against Petra Diamonds, the mine’s British owner, in the high court in London.