The terrorist group operates among others in Somalia, Ethiopia, Uganda, and Kenya.
Accodring to the police, "terrorists killed mothers with their children trapped on their backs”
Nine civilians were killed and forty-seven people were wounded in the attack.
Government forces have not reached the scene yet, as locals report.
Al-Shabaab, a Somalia-based Islamic jihadist group, besieged a hotel in Mogadishu on Friday, August 19.
The incident occurred two days after 13 people died in Arabia, Mandera county, in a similar manner.
Last November, ISIS-linked militants beheaded over 50 people, including women and children.
Attacks by Al-Shabaab in Kenya most often involve the killing of Christians in small villages or who are riding on buses.