A roadside bomb attack Thursday in the Somali capital, Mogadishu, injured the nation’s interior minister and killed one of his secretaries, according to a source close to the minister. The mid-day attack on Abdukadir Ali Omar, a member of the transitional government, left him with shrapnel wounds to his leg. The extent of his injuries was unclear, said the source, who requested anonymity because he is not allowed to speak to the media