Police in Narok County are investigating reports that an officer shot and killed a motorist along the Busangi-Esoit murram road on Monday morning.
It is said that Mr Joram Mokua, 21, was driving his employer in a Probox car when they came across a stone barrier.
They were stopped by a man who later identified himself as a police officer and who demanded Sh3,000 for ferrying the charcoal.
"This led to a misunderstanding. Mr Mokua came out of the vehicle to remove the stones," said Mr Noor Mohammed, Trans Mara West Deputy County Commissioner.
SHOT IN CHEST
Mr Mohamed said the man, who had a pistol, then shot the driver in the chest and immediately fled on a motorcycle.
"The assailant is a police officer attached to one of the stations in the region," he said.
Mr Mokua was rushed to Kilgoris General Hospital, where he was pronounced dead.
Later, the killer surrendered himself to police, who confiscated his weapon.
The body was taken to St Joseph's Mission Hospital mortuary, where a postmortem will be carried out.