Commodities trader Trafigura denied on Tuesday it had paid witnesses in return for testimonies about toxic waste that was dumped in Ivory Coast in 2006. Trafigura hired a company to dispose of the waste in 2006, which was later found at several sites in…Abidjan. Trafigura…said…one of the drivers who had transported the toxic waste began to threaten Trafigura…, saying he had been injured by the waste. That was contrary to the man's earlier statement given to Trafigura…Trafigura wanted to make public his statement, which was given confidentially... "The drivers agreed to the unrestricted use of their statements, but on condition that they were paid a sum of money," Trafigura…said.