One person has been arrested in connection with last week's killing of a Form Four student of Tinderet Boys Secondary School.
The suspect has been locked up at Songhor Police Station in Tinderet as police investigate the matter.
"He is being interrogated as police seek leads to the student's killing," said David Tenay, senior chief of Tinderet location.
"Tension remains high in the area but we have managed to calm the students, who were threatening to cause chaos," he said.
The body of Benard Bett, 18, was discovered in a tea plantation.
READ MORE
Two officers accused of shooting dead Nairobi youth to be held for a week
Sifuna, allies condemn Kitengela rally killing as IPOA begins probe
Trained savages: Why Kenya's police has failed to change from 'force' to service