Financial services group Red Leopard Holdings has received approval from the US government to start work on Idora Tunnel.The firm has received authorisation from the US Bureau of Land Management and has contracted Coeur d'Alene Mining who has now begun work on the site.The group said the tunnel was well ventilated with natural air flow and expects Coeur d'Alene to complete the scope of work for the initial portal rehabilitation within the next week.Director of Red Leopard, Howard Crosby, said: "We now plan to get our geologist in the Idora Tunnel to explore the length of the drift as far as possible, and start a sampling programme".As of 12:09 the share price was unchanged at 0.4p.WS