source: Daily Nation (Kenya)
actor1: Unidentified Communal Militia (South Sudan)
actor2: Civilians (Kenya)
location: Kiserian
notes: On 20 May 2021, an unidentified militia, suspected to be from South Sudan, shot and killed a grade four pupil at Kiserian Primary School and his grandfather near Kiserian town (Olkeri, Kajiado North, Kajiado). The militia drove away an unknown number of livestock towards Ramacha Hills.