At least three people have been killed in renewed tribal clashes in Nessuit, Njoro.
Six others were injured and scores displaced in the clashes that broke out on Wednesday evening.
Two communities fought over land on the edges of Mau Forest in the wake of government evictions.
The government is targeting to evict more than 40,000 settlers living in the forest as it seeks to restore the water tower.
Those displaced are camping in schools and churches.
More security officials have been sent to the area to quell tension.
There is are fears of more attacks.