MOGADISHU, Somalia (CNN)  -- A roadside bombing in Somalia's capital killed 21 women who were cleaning rubbish from a southern Mogadishu street on Sunday morning, a hospital official said. Mogadishu residents gather around victims of the bomb attack along the city's Maka Al Mukarama Road. The bomb blast wounded another 46 people, most of them Somali women who had gathered to clean Maka Al Mukarama Road in southern Mogadishu's Kilometer 4 district, according to Medina Hospital director Dr. Dahir Dhere. "It suddenly turned the area into a carnage, scattering body parts of the street cleaners into a large area," said witness Asha Ise Gedi. "There were pools of blood everywhere. I have never seen such mass killing."
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NEW: Mayor blames Islamist fighters for blast; Islamist fighters blame government
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NEW: Women part of U.N. program in which they cleaned streets for food
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Mogadishu the site of violence between Ethiopian troops and Islamist fighters
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11 ministers resign Saturday, prime minister has refused to step down
Somalia's current transitional government is trying to maintain control of the capital, with the help of the better-equipped @placeholder forces.