Mr Emmanuel Bedzra, a 70-year old driver was stabbed to death at Blave a suburb of Hohoe when he intervened in a scuffle between two siblings.
His body has been deposited at the Hohoe Government mortuary for autopsy.
His assailant Daniel Ketorwu, 27, unemployed was arrested at Gbi-Kledjo when he came face to face with Mr Ketorwu's children on a vehicle, Mr Anthony Shelley Darkey, Hohoe Divisional Crime officer told the Ghana News Agency.
Mr Darkey, said information available to the police indicated that Ketorwu who was fighting with his sister attacked anyone who attempted to rescue his sister from him, thus creating a great commotion in the neighbourhood.
He said the late Mr Bedzra, a father of six who seemed to be friendly with Ketorwu was attracted to the scene and was able to calm him (Ketorwu) and escorted him (Ketorwu) to his (Ketorwu's) house.
He said shortly afterwards Ketorwu emerged from his room brandishing a dagger booted, Mr Bedzra down and stabbed him in the left rib and fled into the bush.