In Kenya, four people were hacked to death and their houses torched in an attack claimed by Shabaab militants in coastal Lamu county today. Coastal police chief Larry Kieng said the attackers dragged people from their houses and killed them. He said three suspects had been taken into custody. We have launched investigations to establish the motive of the attack,Kieng said Lamu county, which borders Somalia, has faced a string of attacks by the Shabaab, mostly roadside bomb attacks targetingsecurity forces. The Shabaab is fighting to overthrow the internationally backed government in Mogadishu but also regularly carries out attacks in neighbouring Kenya, which has troops in Somalia as part of an African Union force.