With human waste from a burst sewer oozing down the main street of Kenya's largest slum, annoyed residents have been bombarding the Facebook page of Kibra constituency's first parliamentarian, Kenneth Okoth, with insults.
"It's just been: 'Ken Okoth is good for nothing. He's terrible. What a loser. We will never vote for him again," the bespectacled 38-year-old former teacher laughs ruefully.