Shock gripped residents of Kasarani Estate in Naivasha Town on Monday after a 40-year-old woman committed suicide a few hours after she was diagnosed with breast cancer.

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The deceased identified as Purity Muthoni, hanged herself in her sister's house shortly after arriving from Kenyatta National Hospital (KNH) where she had gone to seek treatment.

A neighbour, Joyce Wangui, said that the deceased had been living in Olkalau where she developed a mysterious growth in one of her breasts.

"She started undergoing treatment in various hospitals and was misdiagnosed with other ailments until the final blow was delivered at her at KNH,” said Wangui adding that the deceased had been living with her sister who worked in one of the flower farms in Naivasha.

"She waited until the sister had gone to work before using a rope to commit suicide after telling her friends that she did not want to undergo the pain other cancer victims had gone."

Confirming the incident, area OCPD Samuel Waweru said that the body was collected and taken to Naivasha mortuary.

In the last month, Safaricom CEO Bob Collymore, Kibra MP Ken Okoth and Bomet Governor Joyce Laboso joined a growing list of people who succumbed to cancer with the reports indicating that the deadly monster claims 32,987 lives annually.