An attack by suspected Somali Islamist gunmen on a convoy of a Kenyan state governor killed three police officers and a regional elder, a regional official said yesterday.

Gunmen attacked the convoy of Ali Roba, governor of Mandera in northern Kenya, on Friday. That region is often targeted by members of the militant al Shabaab group from neighbouring Somalia. Al Shabaab said on Friday it carried out an attack in the area against a military convoy and said four soldiers were killed. Al-Shabaab has launched many attacks inside Kenya, saying it will continue until Kenyan forces are withdrawn from Somalia, where they are fighting alongside other African forces against the Islamist group.