Some idiots have been dumping chemical waste into the Athi River, and fishermen who rely on the river to supply them with food, and farmers who subsist by cultivating farms along its banks are counting their losses. It's not just about lost livelihoods, but death of an entire ecosystem.
Fishes of the water, the best barometer of the quality of the water have been floating lifeless along the stretches of the river to infer the scale of the poisoning.