Mr Fuad Yusuf, a Kisumu contractor shot his neighbor in a dispute over parking in Milimani, Kisumu.
The contractor who is linked to Nairobi Logistics and Construction Company Ltd, allegedly shot a Mr Isaack, who works with the Henry Jackson Foundation, an International Organization working in partnership with the Kenya Medical Research Institute (Kemri) in Kisumu.
Nyanza regional police boss Leonard Katana said that Mr Yusuf had been arrested and investigations launched.
Mr Katana said they were investigating the circumstances under which the shooting occurred.
Witnesses said that Mr Yusuf was enraged when he found Mr Isaack’s car parked in front of his vehicle.
“He said he was getting late and when Isaack came out of his house, the two started quarrelling before Mr Yusuf went for his gun,” a neighbour said.
“He came back from his house in a huff and shot Isaack around the shoulder.” he added.
Mr Erick Ndenga, a team leader at Henry Jackson Foundation where Mr Isaack works said they could not divulge more information regarding the shooting incident.
Mr Isaack has since been discharged from Aga Khan hospital in Kisumu where he had been treated for four days.
Mr Katana cautioned licensed firearm holders to adhere to the set standards and avoid misuse of their guns.