Rio de Janeiro’s governor has admitted that a pledge to clean up waterways ahead of next year’s Olympic Games will not be fully met.<br /><br /> It comes as hundreds of dead fish continue to wash up on the banks of a lagoon, where rowing and canoeing events are due to be held. <br /><br /> Fish die-offs are common in Rio waters, which are choked with raw sewage and rubbish. <br /><br /> The latest incident, affecting thousands of small silvery fish called twaite shad, began several days ago at the Rodrigo de Freitas lagoon. <br /><br /> “When you are rowing, you start to feel sick, nauseous. So you have to stop training and go and rest,” said Joao Gabriel Raize, who uses the lagoon. <br /><br /> Sailors have also been expressing concerns about health and safety risks.<br /><br /> Authorities had pledged to clean up waters ahead of the Olympics. <br /><br /> But Rio’s governor Luiz Fernando Pezao has now admitted that Guanabara Bay will not be fully cleaned until the end of 2018. <br /><br /> He thinks the job will be around 60 percent done by the time the Games s
