The suspect, Tom Odhiambo, is said to have stabbed Raphael Omondi, 40, in the chest using a kitchen knife during the brawl.
According to a police report, the duo were from a local drinking den where they disagreed over the ownership of a mobile phone.
The suspect is said to have caught up with Omondi along Kibos Chiga Road, where he stabbed him in the right chest, leaving him for dead.
Passersby who had witnessed the incident also descended on the suspect with kicks and blows. Police managed to rescue him.
The victim was rushed to Jaramogi Oginga Odinga Teaching and Referral Hospital, where he was pronounced dead on arrival following the heavy bleeding as a result of the stab wound.
The suspect is being held at Migosi police station and will be charged upon completion of investigations.
