At least eight civilians were killed on Sunday when a minibus hit a roadside bomb outside the Somalia capital, Mogadishu, police said.
Officer Abdullahi Ahmed said the minibus hit the bomb in the Hawa Abdi area near Mogadishu.
The death toll may rise because many of the surviving passengers were seriously wounded, he added.
There was no immediate claim of responsibility for the blast. However Somalia's extremist group al-Shabab, which is allied to al-Qaeda, has carried out a series of bomb attacks in the area in recent months.
