Our team camps at the Mlolongo Weighbridge in Athi River the whole night. We are in a mission to unearth the goings-on at this famous freight station, dubbed the gateway to Nairobi and Western Kenya.

Hassan Musyoka, a pump operator at the River Athi intake where water is drawn for treatment at Kangu Kangu water treatment plant. [Philip Muasya, Standard] Some idiots have been dumping chemical ...