Two security guards were hacked to death while on duty at the Maseno Market, Kisumu County.
The two were on duty when they were attacked on May 7 morning.
Police identified the two as Amos Kwanzu, 41 and Elphas Mushiri, 45.
They were on duty when they were attacked and seriously injured sustained deep cuts on their heads.
Police said the business premises were intact and no burglary took place.
The bodies were moved to the mortuary for preservation and autopsy.
No arrest has been made so far, police said.
Elsewhere, police are investigating an incident where the body of a woman was found on the roadside after suspected murder in West Market area, Eldoret Town.
The body of the woman aged about 30 was found lying on the roadside with visible injuries on the mouth, neck and head.
The cause of the murder is yet to be established. The body was moved to a local mortuary pending autopsy and identification.
No arrest has been made, police said of the May 7 incident.
In Nyandiwa, Homabay County, a woman was stabbed and killed in a domestic fight.
The deceased was identified as Judith Adhiambo. The known assailant escaped the scene of the murder on May 7 at dawn.
The two had been in a house when neighbours heard quarrels and screams before Adhiambo rushed out with the stab wound in the chest.
The woman told the neighbours as she was being taken to hospital that the boyfriend accused her of promiscuity.
She was pronounced dead on arrival at a local hospital.
The woman had been stabbed with a sharp object that was not recovered at the scene, police said.
The body was moved to the mortuary pending autopsy and probe.
Police said they are hunting for the suspect and told him to surrender for processing.
In Kyuso, Kitui County, detectives are investigating the murder of a 16-year-old boy in Mwingi Game Reserve.
The boy is said to have been grazing cattle in the game reserve when he went missing for hours.
His body was later found lying in a pool of blood with deep cuts in the head and neck.
Police said the wounds were occasioned by a panga and the body was removed to Kyuso sub-county hospital mortuary, awaiting autopsy.
The motive of the killing is yet to be known. Police plan to talk to the game reserve managers as part of the probe into the murder.
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