Global trade union IndustriAll...accused Rio [Tinto] of "very wide breaches of fundamental rights" and said the...mining company could have done more to prevent the 41 deaths last year. Kemal Özkan, assistant general secretary of IndustriAll, said the deaths of 33 gold miners when a tunnel collapsed at a Rio joint venture mine in Indonesia...could have been avoided. He claimed that the Indonesian human rights commission found that the operators of the Grasberg mine, owned with...Freeport [McMoRan], "had the ability to prevent this from happening but didn't". "The lack of effort jeopardised the lives of others..." he quoted Indonesian human rights commissioner Natalius Pigai as saying...Jan du Plessis, Rio's chairman, described the Indonesian deaths as a "tragedy" and said the company was doing all it could..."We've got to be [by far] one of the leaders in this field [safety]," he said at the company's annual meeting...He admitted that the Grasberg mine, the world's largest gold mine, was "far from perfection"...[but] said Rio's board believed both safety and environmental issues would not be improved by the company pulling out...Sam Walsh, Rio's chief executive, apologised for poor communication and promised better engagement with local people. [also refers to QIT Madagascar Minerals (joint venture Rio Tinto & Govt. of Madagascar)]