The diamond industry must do more to safeguard human rights in Africa, keep the gems out of the hands of criminals and terrorists and address pressing issues of child labor and substandard work conditions and wages, leading industry officials said Thursday. At the same time, speakers at the annual World Diamond Council conference claimed great progress the industry has made in curbing the use of diamonds to fund wars in Africa... "The days when people didn't know or didn't care are over," said Gareth Penny, the managing director of De Beers... Alex Yearsley, an activist from...Global Witness,...said human rights violations still occurred in diamond-harvesting Africa nations run by corrupt governments. [also refers to Alrosa]