Garissa Governor Ali Korane was on Tuesday morning arrested over the attempted murder of a former Finance CEC.
Korane is among four others who were taken in for questioning over last week’s shooting of former finance executive Idris Mkutar.
The governor was arrested by Flying Squad officers at his home and is locked up at Kilimani police station.
Two other suspects, believed to be hired assassins, have been arrested and are being held at Kilimani.
The executive was shot while at a shopping mall in Kileleshwa. He suffered serious injuries in the head.