NEW : Eight people were killed in the suicide bombing , officials say . Earlier reports about the attack said Somalia 's interior minister was traveling in the convoy , but the minister 's office said he was not there . Comment: The Islamist militia Al-Shabaab claims responsibility for the attack . The radical group has staged several other recent attacks in the nation .
NEW : Eight people were killed in the suicide bombing , officials say . Comment: The Islamist militia Al-Shabaab claims responsibility for the attack . The radical group has staged several other recent attacks in the nation .