A woman was on Tuesday killed by her neighbour for allegedly trespassing into his farm to harvest nappier grass.
The man was also lynched by a mob after the woman sounded a distress call following the attack.
Miriri sub-location chief Naftal Ogaki said Moi Makori hacked Marcella Gesere with a panga.
Police collected the bodies which were taken to the Nyamira county hospital as investigations commenced.
The administrator urged the residents to remain calm as police sort out the matter.