Tahlka News Burau
"We have eight victims - four children and four police", a police official after the explosion between Marani and Kiunga, just a handful of kilometers from the border.
The blast bore the hallmarks of similar bombings blamed on Shabaab Islamist's who have targeted security in the past.
Seven police officers and a civilian were killed at the end of May when an armored vehicle drove over a roadside bomb in southern Kenya, a week after 14 others died in three similar attacks the group claimed.
Last week, the Al-Qaeda extremist group claimed responsibility after driving an explosives-laden minibus into local government offices in the capital Moadishu, killing at least 10 people.
Another attack happened as in two Mogadishu restaurants in which at least 18 people were killed.
The group has launched attacks in Uganda, which, like Kenya, contribute troops to a strong 22,000 African Union forces in Somalia.