Kisumu — A police officer taking part in the ongoing Kenya Certificate of Secondary Education (KCSE) has been killed and his collegue left with serious injuries today morning.

The police officer was escorting KCSE exam papers to Mahero secondary school in Alego Usonga sub-county in Siaya County when he was killed.

A police officer privy to preliminary investigations noted that the officer was together with his other colleague and a supervisor when they were attacked by unknown people.

They had just alighted from the bus that ferried them to pick the papers from Siaya County headquarters but alighted a few meters from the school because the bus could not reach the school due to the bad state of the road.

The officer who sought to remain anonymous due to the magnitude of the matter said the officers met the attackers who descended on them with crude weapons killing the officer and leaving the other one with serious injuries.

The teachers who were part of the team are reported to have escaped the attack and sought refuge in a nearby homestead.

The attackers are said to have snatched the officers' firearms before taking off.

Security personnel rushed to the scene and picked the injured officer to Siaya County referral hospital for treatment while the deceased was booked at the facility morgue.

Siaya county security team are still at the scene of the attack as they plan to issue a comprehensive report into the matter.