Brazil's environmental authorities have uncovered a 10,000 liter leak at an oil platform off Rio-de-Janeiro, La Segunda daily said on Sunday.
Carlos Minc, Environment Secretary in Rio de Janeiro state, said the accident threatens the pristine Bay of Ilha Grande, an area considered an ecological treasure with a rich biodiversity.
The spill occurred at an oil rig run by Modec, a company active in the offshore oil and gas industry around the globe. The company is trying to determine the cause of the spill.