Glencore...stands accused of profiting from child labour in a mine in the Congo, and paying the associates of paramilitary killers in Colombia…Glencore chief executive Ivan Glasenberg denied both claims. He said the company...did "not profit from child labour in any part of the world."...He said child miners were…freelance miners who "raided our land… against…authorisation. We are pleading with the government to remove the artisanal miners…" He also denied that Glencore bough…copper from Tilwezembe…Panorama also found…acidic waste being pumped…into a river near the Glencore copper refinery in Luilu…Glasenberg said the pollution started…before the company took over…"…Glencore has spent vast…money…to ensure clean water..."…