Three Guyanese citizens have filed a case against theCanadian mining companyCambior in the superior court ofQuebec, Canada, for the environmental damage caused by the leakage of 3.2 billion litres of cyanide-laced waste into Guyanese rivers inAugust l995. The spill took placewhen the wall of a pond containingthe mining waste broke at the Ontogold mine, a joint venture betweenCambior and the Colorado-basedGolden Star. The waste was carriedinto the Omai river which joinsthe Essequibo. Guyana's mainwaterway, killing hundreds of fishand affecting thousands of peopleliving near the river.