Six members of armed group Al Shabaab were killed when an explosive device they were trying to assemble on the road accidently exploded.
Residents said that the fighters were trying to assemble the explosive device on the roadside before it exploded and killed them.
No official comment from Al Shabaab concerning the claim.
Al Shabaab has targeted senior Somali government officials by use of explosive device since used pushed out of main cities such as Mogadishu and Kismayo few years ago.