“Kenya: Kitutu South Residents Protest Nyaribari Chache MP’s Unauthorized Boundary Project”

(Stronger because: names key actor “Nyaribari Chache MP,” specifies violation type “unauthorized,” keeps location “Kenya,” and is SEO-friendly with clear conflict)

Alternatively:
“Kenya Boundary Dispute: Kitutu South Demands Halt to Nyaribari Chache’s Encroachment”

(Highlights urgency “halt,” clarifies dispute type “boundary,” and names both constituencies for searchability)